Eliminated endif-block (readthedocs#6250)

Author: jaferkhan

readthedocs/templates/projects/project_list.html

@@ -11,7 +11,6 @@
 
 {% block content-header %}
 <h1>{% blocktrans with tag.name as tag %}Projects tagged with {{ tag }}{% endblocktrans %}</h1>
-{% endif %}
 {% endblock %}
 
 {% block content %}