[FrameworkBundle] made a small cleanup

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -469,8 +469,6 @@ class FrameworkExtension extends Extension
             $arguments = $loaderChain->getArguments();
             array_unshift($arguments[0], new Reference('validator.mapping.loader.annotation_loader'));
             $loaderChain->setArguments($arguments);
-        } else {
-            $container->setParameter('validator.mapping.loader.annotation_loader.namespaces', array());
         }
 
         if (isset($config['cache'])) {

src/Symfony/Bundle/FrameworkBundle/Resources/config/validator.xml

@@ -15,7 +15,6 @@
         <parameter key="validator.mapping.loader.xml_files_loader.class">Symfony\Component\Validator\Mapping\Loader\XmlFilesLoader</parameter>
         <parameter key="validator.mapping.loader.yaml_files_loader.class">Symfony\Component\Validator\Mapping\Loader\YamlFilesLoader</parameter>
         <parameter key="validator.validator_factory.class">Symfony\Bundle\FrameworkBundle\Validator\ConstraintValidatorFactory</parameter>
-        <parameter key="validator.mapping.loader.annotation_loader.namespaces" type="collection" />
         <parameter key="validator.mapping.loader.xml_files_loader.mapping_files" type="collection" />
         <parameter key="validator.mapping.loader.yaml_files_loader.mapping_files" type="collection" />
     </parameters>