minor #1892 Remove translator dependency (magnetik)

This PR was merged into the 2.3-dev branch.

Discussion
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Remove translator dependency

Follow up of PR #1884 in order to fix #1883.

Commits
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b739919 Remove translator dependency

Author: xabbuh

Resources/config/serializer.xml

@@ -16,7 +16,6 @@
 
         <!-- Normalizes FormInterface when using the symfony serializer -->
         <service id="fos_rest.serializer.form_error_normalizer" class="FOS\RestBundle\Serializer\Normalizer\FormErrorNormalizer" public="false">
-            <argument type="service" id="translator" />
             <tag name="serializer.normalizer" priority="-10" />
         </service>
     </services>

Serializer/Normalizer/FormErrorNormalizer.php

@@ -14,7 +14,6 @@
 use Symfony\Component\Form\FormError;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
-use Symfony\Component\Translation\TranslatorInterface;
 
 /**
  * Normalizes invalid Form instances.
@@ -23,13 +22,6 @@
  */
 class FormErrorNormalizer implements NormalizerInterface
 {
-    private $translator;
-
-    public function __construct(TranslatorInterface $translator)
-    {
-        $this->translator = $translator;
-    }
-
     /**
      * {@inheritdoc}
      */
@@ -58,7 +50,7 @@ private function convertFormToArray(FormInterface $data)
         $form = $errors = [];
 
         foreach ($data->getErrors() as $error) {
-            $errors[] = $this->getErrorMessage($error);
+            $errors[] = $error->getMessage();
         }
 
         if ($errors) {
@@ -78,13 +70,4 @@ private function convertFormToArray(FormInterface $data)
 
         return $form;
     }
-
-    private function getErrorMessage(FormError $error)
-    {
-        if (null !== $error->getMessagePluralization()) {
-            return $this->translator->transChoice($error->getMessageTemplate(), $error->getMessagePluralization(), $error->getMessageParameters(), 'validators');
-        }
-
-        return $this->translator->trans($error->getMessageTemplate(), $error->getMessageParameters(), 'validators');
-    }
 }