Merge pull request kubernetes#90297 from deads2k/silence-usage

stop printing usage help when the server commands exit

Author: k8s-ci-robot

cmd/kube-apiserver/app/server.go

@@ -104,6 +104,9 @@ func NewAPIServerCommand() *cobra.Command {
 for the api objects which include pods, services, replicationcontrollers, and
 others. The API Server services REST operations and provides the frontend to the
 cluster's shared state through which all other components interact.`,
+
+		// stop printing usage when the command errors
+		SilenceUsage: true,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			verflag.PrintAndExitIfRequested()
 			utilflag.PrintFlags(cmd.Flags())