cs: Enable a couple of risky rules.

src/Bundle/ChillCustomFieldsBundle/Form/DataTransformer/CustomFieldsGroupToIdTransformer.php

@@ -43,12 +43,10 @@ class CustomFieldsGroupToIdTransformer implements DataTransformerInterface
 
         if ($id instanceof CustomFieldsGroup) {
             throw new TransformationFailedException(
-                sprintf(
-                    'The transformation failed: the expected argument on '
+                'The transformation failed: the expected argument on '
                   . 'reverseTransform is an object of type int,'
                   . 'Chill\CustomFieldsBundle\Entity\CustomFieldsGroup, '
                   . 'given'
-                )
             );
         }