Revert "debug logs"

This reverts commit 4632d09.

kong/clustering/services/sync/rpc.lua

@@ -159,32 +159,16 @@ function _M:init_dp(manager)
       return nil, "default namespace does not exist inside params"
     end
 
-    ngx_log(ngx_INFO,
-            "[kong.sync.v2] notify_new_version: ", node_id,
-            ", new_version of CP is ", default_new_version)
-
     local version = default_new_version.new_version
     if not version then
       return nil, "'new_version' key does not exist"
     end
 
     local lmdb_ver = tonumber(declarative.get_current_hash()) or 0
-
-    ngx_log(ngx_INFO,
-            "[kong.sync.v2] notify_new_version: ", node_id,
-            ", current_version is ", lmdb_ver)
-
     if lmdb_ver < version then
-      ngx_log(ngx_INFO,
-              "[kong.sync.v2] notify_new_version: ", node_id,
-              ", start a sync.")
       return self:sync_once()
     end
 
-    ngx_log(ngx_INFO,
-            "[kong.sync.v2] notify_new_version: ", node_id,
-            ", dose not start a sync.")
-
     return true
   end)
 end