[TwigBundle] removed the extends tags from the table layout (it's not needed anymore)

src/Symfony/Bundle/TwigBundle/Resources/views/Form/table_layout.html.twig

@@ -1,5 +1,3 @@
-{% extends "TwigBundle:Form:div_layout.html.twig" %}
-
 {% block field_row %}
 {% spaceless %}
     <tr>