Remove DevStack entries from menu until they are actually implemented

stackviz/templates/menu.html

@@ -3,7 +3,7 @@
         <li>
             <a href="/"><i class="fa fa-pie-chart fa-fw"></i> Overview</a>
         </li>
-        <li>
+        <!--<li>
             <a href="#"><i class="fa fa-bar-chart-o fa-fw"></i> DevStack<span class="fa arrow"></span></a>
             <ul class="nav nav-second-level">
                 <li>
@@ -16,8 +16,8 @@
                     <a href="/devstack/"><i class="fa fa-database fa-fw"></i> Compare</a>
                 </li>
             </ul>
-            <!-- /.nav-second-level -->
-        </li>
+            --><!-- /.nav-second-level --><!--
+        </li>-->
         <li>
             <a href="#"><i class="fa fa-bar-chart-o fa-fw"></i> Tempest<span class="fa arrow"></span></a>
             <ul class="nav nav-second-level">