Remove broken link from the error 500 page

Author: rosier

templates/bundles/TwigBundle/Exception/error500.html.twig

@@ -10,11 +10,6 @@
 
 {% extends 'base.html.twig' %}
 
-{% block stylesheets %}
-    {{ parent() }}
-    <link rel="stylesheet" href="/build/css/app.4aa95248.css">
-{% endblock %}
-
 {% block body_id 'error' %}
 
 {% block main %}