remove old glyphicons mention

_includes/nav-css.html

@@ -9,9 +9,6 @@
     <li><a href="#overview-container">Containers</a></li>
   </ul>
 </li>
-<li>
-  <a href="#glyphicons">Glyphicons</a>
-</li>
 <li>
   <a href="#grid">Grid system</a>
   <ul class="nav">

css.html

@@ -65,20 +65,6 @@ base_url: "../"
 
 
 
-  <!-- Glyphicons icon font
-  ================================================== -->
-  <div class="bs-docs-section">
-    <div class="page-header">
-      <h1 id="glyphicons">Glyphicons</h1>
-    </div>
-    <p class="lead">With the launch of Bootstrap 3, icons have been moved to a <a href="https://github.com/twbs/bootstrap-glyphicons">separate repository</a>. This keeps the primary project as lean as possible, makes it easier for folks to swap icon libraries, and makes Glyphicons icon fonts more readily available to more people outside Bootstrap.</p>
-    <p class="lead">
-      <a href="http://glyphicons.getbootstrap.com/" class="btn btn-default btn-lg">Visit Glyphicons for Bootstrap</a> or <a href="https://github.com/twbs/bootstrap-glyphicons">download from GitHub</a>
-    </p>
-  </div>
-
-
-
   <!-- Grid system
   ================================================== -->
   <div class="bs-docs-section">