kubeadm: removed the deprecated flag '--experimental-output', please use the flag '--output' instead that serves the same purpose. Affected commands are - "kubeadm config images list", "kubeadm token list", "kubeadm upgade plan", "kubeadm certs check-expiration".

Author: carlory

cmd/kubeadm/app/util/output/output.go

@@ -105,8 +105,6 @@ func (pf *PrintFlags) AddFlags(cmd *cobra.Command) {
 	pf.JSONYamlPrintFlags.AddFlags(cmd)
 	pf.KubeTemplatePrintFlags.AddFlags(cmd)
 	cmd.Flags().StringVarP(pf.OutputFormat, "output", "o", *pf.OutputFormat, fmt.Sprintf("Output format. One of: %s.", strings.Join(pf.AllowedFormats(), "|")))
-	cmd.Flags().StringVarP(pf.OutputFormat, "experimental-output", "", *pf.OutputFormat, fmt.Sprintf("Output format. One of: %s.", strings.Join(pf.AllowedFormats(), "|")))
-	_ = cmd.Flags().MarkDeprecated("experimental-output", "please use --output instead.")
 }
 
 // WithDefaultOutput sets a default output format if one is not provided through a flag value