Make sure that you can't delete your own account. (pterodactyl#110)

Author: Dominic Fitch-Jones

app/Repositories/UserRepository.php

@@ -30,6 +30,7 @@
 use Validator;
 use Mail;
 use Carbon;
+use Auth;
 
 use Pterodactyl\Models;
 use Pterodactyl\Services\UuidService;
@@ -152,6 +153,10 @@ public function delete($id)
             throw new DisplayException('Cannot delete a user with active servers attached to thier account.');
         }
 
+        if(Auth::user()->id === $id) {
+          throw new DisplayException('Cannot delete your own account.');
+        }
+
         DB::beginTransaction();
 
         try {