adds comments for future refactor

Author: kevprice83

gateway/src/resty/http/proxy.lua

@@ -17,7 +17,7 @@ local function connect_direct(httpc, request)
     local uri = request.uri
     local host = uri.host
     local ip, port = httpc:resolve(host, nil, uri)
-
+    -- #TODO: This logic may no longer be needed as of PR#1323 and should be reviewed as part of a refactor
     local options = { pool = format('%s:%s', host, port) }
     local ok, err = httpc:connect(ip, port or default_port(uri), options)