remove unused import

Author: dmaicher

DependencyInjection/FOSJsRoutingExtension.php

@@ -19,7 +19,6 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
-use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 
 /**
  * @author      William DURAND <[email protected]>