[MM-38082] Add local-mode handler for config reload endpoint (#18252)

* Add local-mode handler for config reload endpoint

* Remove redundant method

api4/config_local.go

@@ -19,6 +19,7 @@ func (api *API) InitConfigLocal() {
 	api.BaseRoutes.APIRoot.Handle("/config", api.APILocal(localGetConfig)).Methods("GET")
 	api.BaseRoutes.APIRoot.Handle("/config", api.APILocal(localUpdateConfig)).Methods("PUT")
 	api.BaseRoutes.APIRoot.Handle("/config/patch", api.APILocal(localPatchConfig)).Methods("PUT")
+	api.BaseRoutes.APIRoot.Handle("/config/reload", api.APILocal(configReload)).Methods("POST")
 	api.BaseRoutes.APIRoot.Handle("/config/migrate", api.APILocal(migrateConfig)).Methods("POST")
 }