remove unnecessary comment

Author: mj-gomes

browse/templates/browse/base_generic.html

@@ -194,15 +194,10 @@ <h2 style="color: #ecf0f1; margin: 0;">LiteBIRD Instrument Model Database</h2>
           </ul>
         </div>
 
-        <!-- User Content on the Far Right -->
+        <!-- User Content in the header, top right -->
         <div class="navbar-collapse collapse">
           <ul class="navbar-nav">
             <li class="nav-item user-content">
-              {% block content %}
-                {% comment %}
-                User content moved to the header
-                {% endcomment %}
-              {% endblock %}
             </li>
           </ul>
         </div>