more cleaning of planned backup-feature (postponed, see backup-feature branch)

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

bin/froxlor-cli

@@ -26,7 +26,6 @@
 
 declare(strict_types=1);
 
-use Froxlor\Cli\BackupCommand;
 use Froxlor\Cli\ConfigDiff;
 use Symfony\Component\Console\Application;
 use Froxlor\Cli\RunApiCommand;
@@ -63,6 +62,5 @@ $application->add(new InstallCommand());
 $application->add(new MasterCron());
 $application->add(new UserCommand());
 $application->add(new ValidateAcmeWebroot());
-$application->add(new BackupCommand());
 $application->add(new ConfigDiff());
 $application->run();