satisfying styleci, undo mysql in travis

framework/core/.travis.yml

@@ -6,9 +6,6 @@ php:
   - 7.2
   - hhvm
 
-services:
-  - mysql
-
 matrix:
   allow_failures:
     - php: hhvm

framework/core/src/Api/ExceptionHandler/IlluminateValidationExceptionHandler.php

@@ -32,7 +32,7 @@ class IlluminateValidationExceptionHandler implements ExceptionHandlerInterface
     public function handle(Exception $e)
     {
         $status = 422;
-        
+
         $errors = $this->formatErrors($e->errors());
 
         return new ResponseBag($status, $errors);

framework/core/tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php

@@ -13,9 +13,8 @@ namespace Tests\Flarum\Api\Handler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\IlluminateValidationExceptionHandler;
-use Illuminate\Translation\{
-    Translator, ArrayLoader
-};
+use Illuminate\Translation\ArrayLoader;
+use Illuminate\Translation\Translator;
 use Illuminate\Validation\ValidationException;
 use Illuminate\Validation\Factory;
 use Tests\Test\TestCase;