Removes deprecated Agent* alias templates in the public namespace

[elstehle]

Description

Closes #3467

[github-actions]

🟩 CI finished in 1h 43m: Pass: 100%/90 | Total: 2d 17h | Avg: 43m 24s | Max: 1h 15m | Hits: 68%/132225

• 🟩 cub: Pass: 100%/44 | Total: 1d 16h | Avg: 55m 40s | Max: 1h 15m | Hits: 54%/52320

  🟩 cpu
    🟩 amd64              Pass: 100%/42  | Total:  1d 14h | Avg: 55m 23s | Max:  1h 15m | Hits:  55%/49888 
    🟩 arm64              Pass: 100%/2   | Total:  2h 02m | Avg:  1h 01m | Max:  1h 01m | Hits:  49%/2432  
  🟩 ctk
    🟩 12.0               Pass: 100%/5   | Total:  5h 07m | Avg:  1h 01m | Max:  1h 04m | Hits:  43%/5914  
    🟩 12.5               Pass: 100%/2   | Total:  2h 12m | Avg:  1h 06m | Max:  1h 06m | Hits:  48%/2250  
    🟩 12.8               Pass: 100%/37  | Total:  1d 09h | Avg: 54m 18s | Max:  1h 15m | Hits:  56%/44156 
  🟩 cudacxx
    🟩 ClangCUDA18        Pass: 100%/2   | Total:  2h 00m | Avg:  1h 00m | Max:  1h 01m | Hits:  52%/2104  
    🟩 nvcc12.0           Pass: 100%/5   | Total:  5h 07m | Avg:  1h 01m | Max:  1h 04m | Hits:  43%/5914  
    🟩 nvcc12.5           Pass: 100%/2   | Total:  2h 12m | Avg:  1h 06m | Max:  1h 06m | Hits:  48%/2250  
    🟩 nvcc12.8           Pass: 100%/35  | Total:  1d 07h | Avg: 53m 58s | Max:  1h 15m | Hits:  57%/42052 
  🟩 cudacxx_family
    🟩 ClangCUDA          Pass: 100%/2   | Total:  2h 00m | Avg:  1h 00m | Max:  1h 01m | Hits:  52%/2104  
    🟩 nvcc               Pass: 100%/42  | Total:  1d 14h | Avg: 55m 27s | Max:  1h 15m | Hits:  54%/50216 
  🟩 cxx
    🟩 Clang14            Pass: 100%/4   | Total:  4h 03m | Avg:  1h 00m | Max:  1h 02m | Hits:  49%/4872  
    🟩 Clang15            Pass: 100%/2   | Total:  2h 00m | Avg:  1h 00m | Max:  1h 01m | Hits:  49%/2432  
    🟩 Clang16            Pass: 100%/2   | Total:  2h 02m | Avg:  1h 01m | Max:  1h 02m | Hits:  49%/2432  
    🟩 Clang17            Pass: 100%/2   | Total:  2h 09m | Avg:  1h 04m | Max:  1h 05m | Hits:  49%/2432  
    🟩 Clang18            Pass: 100%/7   | Total:  5h 37m | Avg: 48m 11s | Max:  1h 01m | Hits:  65%/8184  
    🟩 GCC7               Pass: 100%/2   | Total:  1h 54m | Avg: 57m 08s | Max: 58m 25s | Hits:  49%/2436  
    🟩 GCC8               Pass: 100%/1   | Total:  1h 05m | Avg:  1h 05m | Max:  1h 05m | Hits:  49%/1218  
    🟩 GCC9               Pass: 100%/2   | Total:  2h 07m | Avg:  1h 03m | Max:  1h 04m | Hits:  49%/2436  
    🟩 GCC10              Pass: 100%/2   | Total:  2h 02m | Avg:  1h 01m | Max:  1h 05m | Hits:  49%/2436  
    🟩 GCC11              Pass: 100%/2   | Total:  2h 08m | Avg:  1h 04m | Max:  1h 04m | Hits:  49%/2432  
    🟩 GCC12              Pass: 100%/2   | Total:  2h 08m | Avg:  1h 04m | Max:  1h 04m | Hits:  49%/2432  
    🟩 GCC13              Pass: 100%/10  | Total:  6h 34m | Avg: 39m 24s | Max:  1h 09m | Hits:  74%/12160 
    🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 14m | Hits:  13%/2084  
    🟩 MSVC14.42          Pass: 100%/2   | Total:  2h 25m | Avg:  1h 12m | Max:  1h 15m | Hits:  13%/2084  
    🟩 NVHPC24.7          Pass: 100%/2   | Total:  2h 12m | Avg:  1h 06m | Max:  1h 06m | Hits:  48%/2250  
  🟩 cxx_family
    🟩 Clang              Pass: 100%/17  | Total: 15h 53m | Avg: 56m 04s | Max:  1h 05m | Hits:  56%/20352 
    🟩 GCC                Pass: 100%/21  | Total: 18h 01m | Avg: 51m 31s | Max:  1h 09m | Hits:  61%/25550 
    🟩 MSVC               Pass: 100%/4   | Total:  4h 42m | Avg:  1h 10m | Max:  1h 15m | Hits:  13%/4168  
    🟩 NVHPC              Pass: 100%/2   | Total:  2h 12m | Avg:  1h 06m | Max:  1h 06m | Hits:  48%/2250  
  🟩 gpu
    🟩 h100               Pass: 100%/2   | Total: 54m 14s | Avg: 27m 07s | Max: 28m 23s | Hits:  74%/2432  
    🟩 rtx2080            Pass: 100%/34  | Total:  1d 11h | Avg:  1h 03m | Max:  1h 15m | Hits:  45%/40160 
    🟩 rtxa6000           Pass: 100%/8   | Total:  4h 06m | Avg: 30m 45s | Max:  1h 01m | Hits:  87%/9728  
  🟩 jobs
    🟩 Build              Pass: 100%/37  | Total:  1d 14h | Avg:  1h 02m | Max:  1h 15m | Hits:  46%/43808 
    🟩 DeviceLaunch       Pass: 100%/1   | Total: 20m 23s | Avg: 20m 23s | Max: 20m 23s | Hits:  99%/1216  
    🟩 GraphCapture       Pass: 100%/1   | Total: 16m 53s | Avg: 16m 53s | Max: 16m 53s | Hits:  99%/1216  
    🟩 HostLaunch         Pass: 100%/3   | Total:  1h 12m | Avg: 24m 13s | Max: 25m 51s | Hits:  99%/3648  
    🟩 TestGPU            Pass: 100%/2   | Total: 42m 57s | Avg: 21m 28s | Max: 22m 01s | Hits:  99%/2432  
  🟩 sm
    🟩 90                 Pass: 100%/2   | Total: 54m 14s | Avg: 27m 07s | Max: 28m 23s | Hits:  74%/2432  
    🟩 90;90a;100         Pass: 100%/1   | Total:  1h 09m | Avg:  1h 09m | Max:  1h 09m | Hits:  49%/1216  
  🟩 std
    🟩 17                 Pass: 100%/20  | Total: 20h 49m | Avg:  1h 02m | Max:  1h 14m | Hits:  44%/23559 
    🟩 20                 Pass: 100%/24  | Total: 19h 59m | Avg: 49m 59s | Max:  1h 15m | Hits:  63%/28761 
  

• 🟩 thrust: Pass: 100%/43 | Total: 23h 40m | Avg: 33m 01s | Max: 1h 06m | Hits: 77%/79625

  🟩 cmake_options
    🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 38m 10s | Avg: 19m 05s | Max: 26m 41s | Hits:  88%/3706  
  🟩 cpu
    🟩 amd64              Pass: 100%/41  | Total: 22h 37m | Avg: 33m 07s | Max:  1h 06m | Hits:  77%/75920 
    🟩 arm64              Pass: 100%/2   | Total:  1h 02m | Avg: 31m 13s | Max: 33m 38s | Hits:  78%/3705  
  🟩 ctk
    🟩 12.0               Pass: 100%/5   | Total:  2h 58m | Avg: 35m 39s | Max: 52m 36s | Hits:  73%/9256  
    🟩 12.5               Pass: 100%/2   | Total:  1h 53m | Avg: 56m 39s | Max: 56m 40s | Hits:  70%/3704  
    🟩 12.8               Pass: 100%/36  | Total: 18h 48m | Avg: 31m 21s | Max:  1h 06m | Hits:  78%/66665 
  🟩 cudacxx
    🟩 ClangCUDA18        Pass: 100%/2   | Total: 53m 45s | Avg: 26m 52s | Max: 27m 21s | Hits:  78%/3704  
    🟩 nvcc12.0           Pass: 100%/5   | Total:  2h 58m | Avg: 35m 39s | Max: 52m 36s | Hits:  73%/9256  
    🟩 nvcc12.5           Pass: 100%/2   | Total:  1h 53m | Avg: 56m 39s | Max: 56m 40s | Hits:  70%/3704  
    🟩 nvcc12.8           Pass: 100%/34  | Total: 17h 54m | Avg: 31m 36s | Max:  1h 06m | Hits:  78%/62961 
  🟩 cudacxx_family
    🟩 ClangCUDA          Pass: 100%/2   | Total: 53m 45s | Avg: 26m 52s | Max: 27m 21s | Hits:  78%/3704  
    🟩 nvcc               Pass: 100%/41  | Total: 22h 46m | Avg: 33m 19s | Max:  1h 06m | Hits:  77%/75921 
  🟩 cxx
    🟩 Clang14            Pass: 100%/4   | Total:  2h 06m | Avg: 31m 41s | Max: 32m 46s | Hits:  78%/7408  
    🟩 Clang15            Pass: 100%/2   | Total:  1h 05m | Avg: 32m 35s | Max: 32m 45s | Hits:  78%/3704  
    🟩 Clang16            Pass: 100%/2   | Total:  1h 05m | Avg: 32m 51s | Max: 34m 11s | Hits:  78%/3704  
    🟩 Clang17            Pass: 100%/2   | Total:  1h 03m | Avg: 31m 53s | Max: 34m 41s | Hits:  78%/3704  
    🟩 Clang18            Pass: 100%/7   | Total:  2h 45m | Avg: 23m 37s | Max: 33m 51s | Hits:  84%/12964 
    🟩 GCC7               Pass: 100%/2   | Total:  1h 05m | Avg: 32m 38s | Max: 33m 19s | Hits:  77%/3706  
    🟩 GCC8               Pass: 100%/1   | Total: 31m 49s | Avg: 31m 49s | Max: 31m 49s | Hits:  77%/1853  
    🟩 GCC9               Pass: 100%/2   | Total:  1h 07m | Avg: 33m 34s | Max: 34m 51s | Hits:  77%/3706  
    🟩 GCC10              Pass: 100%/2   | Total:  1h 06m | Avg: 33m 11s | Max: 34m 17s | Hits:  77%/3706  
    🟩 GCC11              Pass: 100%/2   | Total:  1h 05m | Avg: 32m 43s | Max: 34m 07s | Hits:  77%/3706  
    🟩 GCC12              Pass: 100%/2   | Total:  1h 06m | Avg: 33m 05s | Max: 33m 56s | Hits:  77%/3706  
    🟩 GCC13              Pass: 100%/8   | Total:  3h 12m | Avg: 24m 03s | Max: 36m 09s | Hits:  86%/14824 
    🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 45m | Avg: 52m 32s | Max: 52m 36s | Hits:  53%/3692  
    🟩 MSVC14.42          Pass: 100%/3   | Total:  2h 40m | Avg: 53m 27s | Max:  1h 06m | Hits:  58%/5538  
    🟩 NVHPC24.7          Pass: 100%/2   | Total:  1h 53m | Avg: 56m 39s | Max: 56m 40s | Hits:  70%/3704  
  🟩 cxx_family
    🟩 Clang              Pass: 100%/17  | Total:  8h 06m | Avg: 28m 38s | Max: 34m 41s | Hits:  80%/31484 
    🟩 GCC                Pass: 100%/19  | Total:  9h 14m | Avg: 29m 11s | Max: 36m 09s | Hits:  81%/35207 
    🟩 MSVC               Pass: 100%/5   | Total:  4h 25m | Avg: 53m 05s | Max:  1h 06m | Hits:  56%/9230  
    🟩 NVHPC              Pass: 100%/2   | Total:  1h 53m | Avg: 56m 39s | Max: 56m 40s | Hits:  70%/3704  
  🟩 gpu
    🟩 rtx2080            Pass: 100%/33  | Total: 19h 37m | Avg: 35m 41s | Max:  1h 01m | Hits:  75%/61112 
    🟩 rtx4090            Pass: 100%/10  | Total:  4h 02m | Avg: 24m 14s | Max:  1h 06m | Hits:  85%/18513 
  🟩 jobs
    🟩 Build              Pass: 100%/37  | Total: 22h 18m | Avg: 36m 10s | Max:  1h 06m | Hits:  74%/68516 
    🟩 TestCPU            Pass: 100%/3   | Total: 48m 07s | Avg: 16m 02s | Max: 32m 29s | Hits:  89%/5551  
    🟩 TestGPU            Pass: 100%/3   | Total: 33m 41s | Avg: 11m 13s | Max: 11m 45s | Hits:  99%/5558  
  🟩 sm
    🟩 90;90a;100         Pass: 100%/1   | Total: 36m 09s | Avg: 36m 09s | Max: 36m 09s | Hits:  77%/1853  
  🟩 std
    🟩 17                 Pass: 100%/20  | Total: 12h 15m | Avg: 36m 47s | Max:  1h 01m | Hits:  73%/37031 
    🟩 20                 Pass: 100%/21  | Total: 10h 46m | Avg: 30m 46s | Max:  1h 06m | Hits:  80%/38888 
  

• 🟩 cccl_c_parallel: Pass: 100%/2 | Total: 8m 33s | Avg: 4m 16s | Max: 6m 05s | Hits: 98%/280

  🟩 cpu
    🟩 amd64              Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 ctk
    🟩 12.8               Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 cudacxx
    🟩 nvcc12.8           Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 cudacxx_family
    🟩 nvcc               Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 cxx
    🟩 GCC13              Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 cxx_family
    🟩 GCC                Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 gpu
    🟩 rtx2080            Pass: 100%/2   | Total:  8m 33s | Avg:  4m 16s | Max:  6m 05s | Hits:  98%/280   
  🟩 jobs
    🟩 Build              Pass: 100%/1   | Total:  2m 28s | Avg:  2m 28s | Max:  2m 28s | Hits:  97%/140   
    🟩 Test               Pass: 100%/1   | Total:  6m 05s | Avg:  6m 05s | Max:  6m 05s | Hits:  98%/140   
  

• 🟩 python: Pass: 100%/1 | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s

  🟩 cpu
    🟩 amd64              Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 ctk
    🟩 12.8               Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 cudacxx
    🟩 nvcc12.8           Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 cudacxx_family
    🟩 nvcc               Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 cxx
    🟩 GCC13              Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 cxx_family
    🟩 GCC                Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 gpu
    🟩 rtx2080            Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  🟩 jobs
    🟩 Test               Pass: 100%/1   | Total: 28m 18s | Avg: 28m 18s | Max: 28m 18s
  

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
	Thrust
	CUDA Experimental
	python
	CCCL C Parallel Library
	Catch2Helper

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	python
+/-	CCCL C Parallel Library
+/-	Catch2Helper

🏃‍ Runner counts (total jobs: 90)

#	Runner
65	linux-amd64-cpu16
9	windows-amd64-cpu16
6	linux-amd64-gpu-rtxa6000-latest-1
4	linux-arm64-cpu16
3	linux-amd64-gpu-rtx4090-latest-1
2	linux-amd64-gpu-rtx2080-latest-1
1	linux-amd64-gpu-h100-latest-1