[DoctrineBridge] Removed duplicating options in EntityType

src/Symfony/Bridge/Doctrine/Form/Type/EntityType.php

@@ -52,8 +52,6 @@ class EntityType extends AbstractType
             'query_builder'     => null,
             'choices'           => array(),
             'preferred_choices' => array(),
-            'multiple'          => false,
-            'expanded'          => false,
         );
 
         $options = array_replace($defaultOptions, $options);