enh: change refMgt of rpc

source/libs/transport/src/trans.c

@@ -163,11 +163,6 @@ void rpcSetDefaultAddr(void* thandle, const char* ip, const char* fqdn) {
   transSetDefaultAddr(thandle, ip, fqdn);
 }
 
-// void rpcSetMsgTraceId(SRpcMsg* pMsg, STraceId uid) {
-//  SRpcHandleInfo* pInfo = &pMsg->info;
-//  pInfo->traceId = uid;
-//}
-
 int32_t rpcInit() {
   transInit();
   // impl later