documentation: remove usages of `category-companies@cn` since merged into `cn`

docs/manual/proxy/client.md

@@ -330,10 +330,7 @@ flowchart TB
                 "invert": true
               },
               {
-                "geosite": [
-                  "cn",
-                  "category-companies@cn"
-                ],
+                "geosite": "cn",
               }
             ],
             "server": "local"
@@ -385,10 +382,7 @@ flowchart TB
                 "invert": true
               },
               {
-                "rule_set": [
-                  "geosite-cn",
-                  "geosite-category-companies@cn"
-                ]
+                "rule_set": "geosite-cn",
               }
             ],
             "server": "local"
@@ -408,12 +402,6 @@ flowchart TB
             "tag": "geosite-geolocation-!cn",
             "format": "binary",
             "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-!cn.srs"
-          },
-          {
-            "type": "remote",
-            "tag": "geosite-category-companies@cn",
-            "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/[email protected]"
           }
         ]
       }
@@ -487,10 +475,7 @@ flowchart TB
                 "invert": true
               },
               {
-                "geosite": [
-                  "cn",
-                  "category-companies@cn"
-                ],
+                "geosite": "cn",
                 "geoip": "cn"
               }
             ],
@@ -570,8 +555,7 @@ flowchart TB
               {
                 "rule_set": [
                   "geoip-cn",
-                  "geosite-cn",
-                  "geosite-category-companies@cn"
+                  "geosite-cn"
                 ]
               }
             ],
@@ -596,12 +580,6 @@ flowchart TB
             "tag": "geosite-geolocation-!cn",
             "format": "binary",
             "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-!cn.srs"
-          },
-          {
-            "type": "remote",
-            "tag": "geosite-category-companies@cn",
-            "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/[email protected]"
           }
         ]
       }