Move the prefile event and add a new error exception (#1111)

* Move the prefile event and add a new error exception

* Remove extra import

* Add empty handler for testing

* Fix styling

* Fix styleci

app/Http/Controllers/Api/PirepController.php

@@ -3,7 +3,6 @@
 namespace App\Http\Controllers\Api;
 
 use App\Contracts\Controller;
-use App\Events\PirepPrefiled;
 use App\Events\PirepUpdated;
 use App\Exceptions\AircraftPermissionDenied;
 use App\Exceptions\PirepCancelled;
@@ -219,8 +218,6 @@ class PirepController extends Controller
         $this->updateFields($pirep, $request);
         $this->updateFares($pirep, $request);
 
-        event(new PirepPrefiled($pirep));
-
         return $this->get($pirep->id);
     }