Merge pull request symfony#1448 from richardmiller/removing_unneeded_example_code

Removing unneeded example code

Author: weaverryan

components/dependency_injection/compilation.rst

@@ -121,14 +121,8 @@ worlds though by using configuration files and then dumping and caching the resu
 configuration. The ``PhpDumper`` makes dumping the compiled container easy::
 
     use Symfony\Component\DependencyInjection\ContainerBuilder;
-    use Symfony\Component\Config\FileLocator;
-    use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
     use Symfony\Component\DependencyInjection\Dumper\PhpDumper
 
-    $container = new ContainerBuilder();
-    $loader = new XmlFileLoader($container, new FileLocator(__DIR__));
-    $loader->load('services.xml');
-
     $file = __DIR__ .'/cache/container.php';
 
     if (file_exists($file)) {