removed obsolete code

lib/Twig/Template.php

@@ -375,14 +375,6 @@ abstract class Twig_Template implements Twig_TemplateInterface
 
         // object property
         if (Twig_TemplateInterface::METHOD_CALL !== $type) {
-            /* apparently, this is not needed as this is already covered by the array_key_exists() call below
-            if (!isset(self::$cache[$class]['properties'])) {
-                foreach (get_object_vars($object) as $k => $v) {
-                    self::$cache[$class]['properties'][$k] = true;
-                }
-            }
-            */
-
             if (isset($object->$item) || array_key_exists($item, $object)) {
                 if ($isDefinedTest) {
                     return true;