fix comments

cns/restserver/v2/server.go

@@ -47,10 +47,5 @@ func (s Server) Start(ctx context.Context, addr string) error {
 
 	// after context is done, shutdown local server
 	<-ctx.Done()
-	if err := e.Shutdown(ctx); err != nil {
-		logger.Errorf("failed to shutdown echo server due to %+v", err)
-		return errors.Wrap(err, "failed to shutdown echo server")
-	}
-
-	return nil
+	return e.Shutdown(ctx)
 }

cns/service.go

@@ -76,7 +76,7 @@ func (service *Service) AddListener(config *common.ServiceConfig) error {
 		}
 	} else {
 		// use the URL that customer provides by -c
-		logger.Warnf("Do not specify cns-url by -c option, this option will be deprecated!")
+		logger.Printf("CNS remote server url: %+v", nodeURL)
 
 		// do not enable local server if customer uses -c option
 		config.Server.EnableLocalServer = false
@@ -86,8 +86,6 @@ func (service *Service) AddListener(config *common.ServiceConfig) error {
 		}
 	}
 
-	logger.Debugf("CNS remote server url: %+v", nodeURL)
-
 	nodeListener, err := acn.NewListener(nodeURL)
 	if err != nil {
 		return errors.Wrap(err, "Failed to construct url for node listener")