Remove validation from sub-commands

Signed-off-by: Somtochi Onyekwere <somtochionyekwere@gmail.com>

cmd/flux/create_receiver.go

@@ -67,9 +67,6 @@ func init() {
 }
 
 func createReceiverCmdRun(cmd *cobra.Command, args []string) error {
-	if len(args) < 1 {
-		return fmt.Errorf("Receiver name is required")
-	}
 	name := args[0]
 
 	if receiverArgs.receiverType == "" {