Merge pull request #224 from cafferata/patch-1

Update index.rst

Author: alcaeus

Resources/doc/index.rst

@@ -349,7 +349,6 @@ With the trait
 
     // ...
     use Symfony\Component\DependencyInjection\ContainerAwareInterface;
-    use Symfony\Component\DependencyInjection\ContainerInterface;
     use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
     class Version20130326212938 extends AbstractMigration implements ContainerAwareInterface