remove: delete the server-info plugin and its related configurations from the codebase (#12218)

Author: LiteSun

apisix/cli/config.lua

@@ -236,7 +236,6 @@ local _M = {
     "limit-count",
     "limit-req",
     "gzip",
-    "server-info",
     "traffic-split",
     "redirect",
     "response-rewrite",
@@ -322,9 +321,6 @@ local _M = {
         port = 9091
       }
     },
-    ["server-info"] = {
-      report_ttl = 60
-    },
     ["dubbo-proxy"] = {
       upstream_multiplex_count = 32
     },

apisix/plugins/server-info.lua

@@ -497,7 +497,6 @@ plugins:                           # plugin list (sorted by priority)
   - ai-proxy-multi                 # priority: 998
   #- brotli                        # priority: 996
   - gzip                           # priority: 995
-  - server-info                    # priority: 990
   - traffic-split                  # priority: 966
   - redirect                       # priority: 900
   - response-rewrite               # priority: 899

conf/config.yaml.example

@@ -91,7 +91,6 @@
             "plugins/gzip",
             "plugins/brotli",
             "plugins/real-ip",
-            "plugins/server-info",
             "plugins/ext-plugin-pre-req",
             "plugins/ext-plugin-post-req",
             "plugins/ext-plugin-post-resp",