$container->setParameter($this->getAlias(), $config);
        }
 
-       /**
-        * {@inheritdoc}
-        */
-       public function getConfiguration(array $configs, ContainerBuilder $container) {
-               //Get configuration instance with resolved public path
-               return new Configuration($container->getParameter('kernel.project_dir').'/public/');
-       }
-
        /**
         * {@inheritdoc}
         */