Fix tag page layout

src/Packagist/WebBundle/Resources/views/Web/tag.html.twig

@@ -1,7 +1,5 @@
 {% extends "PackagistWebBundle:Web:list.html.twig" %}
 
 {% block content_title %}
-    <div class="box clearfix">
-        <h1>Packages tagged with {{ tag }}</h1>
-    </div>
+    <h1>Packages tagged with {{ tag }}</h1>
 {% endblock %}