clean unused imports

app/Http/Controllers/FeedbackController.php

@@ -2,14 +2,9 @@
 namespace App\Http\Controllers;
 
 use App\Feedback;
-use App\Jobs\WowaJob;
-use App\Mark;
 use Barryvdh\Debugbar\Facade;
-use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Http\Request;
-use Monolog\Handler\StreamHandler;
-use Monolog\Logger;
 
 class FeedbackController extends Controller
 {