remove uncecessary import

themes/kwant/templates/index.tmpl

 {#  -*- coding: utf-8 -*- #}
 {% import 'index_helper.tmpl' as helper with context %}
-{% import 'math_helper.tmpl' as math with context %}
 {% import 'comments_helper.tmpl' as comments with context %}
 {% import 'pagination_helper.tmpl' as pagination with context %}
 {% import 'post_header.tmpl' as pheader with context %}
@@ -11,7 +10,6 @@
     {% if posts and (permalink == '/' or permalink == '/' + index_file) %}
         <link rel="prefetch" href="{{ posts[0].permalink() }}" type="text/html">
     {% endif %}
-    {{ math.math_styles_ifposts(posts) }}
 {% endblock %}
 
 {% block content %}
@@ -47,5 +45,4 @@
 </div>
 {{ helper.html_pager() }}
 {{ comments.comment_link_script() }}
-{{ math.math_scripts_ifposts(posts) }}
 {% endblock %}