chore: Update cleanup command to use Redis instead of queue

app/Jobs/DatabaseBackupJob.php

@@ -23,7 +23,6 @@ use Illuminate\Contracts\Queue\ShouldBeEncrypted;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
-use Illuminate\Queue\Middleware\WithoutOverlapping;
 use Illuminate\Queue\SerializesModels;
 use Illuminate\Support\Str;
 use Visus\Cuid2\Cuid2;
@@ -80,16 +79,6 @@ class DatabaseBackupJob implements ShouldBeEncrypted, ShouldQueue
         }
     }
 
-    public function middleware(): array
-    {
-        return [new WithoutOverlapping($this->backup->id)];
-    }
-
-    public function uniqueId(): int
-    {
-        return $this->backup->id;
-    }
-
     public function handle(): void
     {
         try {