Remove INDEX link from header

lib/views/layout/2column.html

@@ -18,9 +18,6 @@
   </button>
   <!-- Collect the nav links, forms, and other content for toggling -->
   <div class="collapse navbar-collapse" id="navbarCollapse">
-    <ul class="nav navbar-nav">
-      <li class=""><a href="/INDEX">INDEX</a></li>
-    </ul>
     {% include '../widget/searcher.html' %}
 
     <ul class="nav navbar-nav navbar-right">