remove boost as mandatory dependency #6270

Job	Run time
clang-format	18s
linux_clang-14_cuda-11.2_debug_analysis	6m 27s
windows_cl-2022_debug_analysis	2h 21m 2s
macos_xcode-14.2_debug_analysis	27m 55s
linux_gcc-12_debug_analysis	18m 4s
macos_xcode-14.2_release	28m 32s
macos_xcode-14.3.1_debug	20m 40s
windows_cl-2022_release	2h 27m 3s
windows_cl-2022_debug	2h 18m 24s
linux_gcc-11_debug	21m 29s
linux_gcc-12_release_c++20	18m 14s
linux_gcc-13_debug	18m 38s
linux_clang-10_release	17m 16s
linux_clang-12_release	17m 17s
linux_clang-13_debug	12m 53s
linux_clang-16_debug_ubsan	16m 17s
linux_clang-16_debug_tsan	17m 30s
	11h 7m 59s

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