stop marking optional flags required

Author: liggitt

contrib/completions/bash/oc

@@ -95,7 +95,6 @@ func (o *ResourceOptions) Bind(c *cobra.Command) {
 
 	usage := "Filename, directory, or URL to docker-compose.yml file to use"
 	kubectl.AddJsonFilenameFlag(c, &o.Filenames, usage)
-	c.MarkFlagRequired("filename")
 }
 
 func (o *ResourceOptions) Complete(f *clientcmd.Factory, c *cobra.Command) error {

contrib/completions/zsh/oc

@@ -331,7 +331,6 @@ func NewCmdCreateReencryptRoute(fullName string, f *clientcmd.Factory, out io.Wr
 	cmd.Flags().String("ca-cert", "", "Path to a CA certificate file.")
 	cmd.MarkFlagFilename("ca-cert")
 	cmd.Flags().String("dest-ca-cert", "", "Path to a CA certificate file, used for securing the connection from the router to the destination.")
-	cmd.MarkFlagRequired("dest-ca-cert")
 	cmd.MarkFlagFilename("dest-ca-cert")
 	cmd.Flags().String("wildcard-policy", "", "Sets the WildcardPolicy for the hostname, the default is \"None\". valid values are \"None\" and \"Subdomain\"")