docs-sidebar.html: remove commented out code.

Leftover from old times.

Author: XhmikosR

site/_includes/docs-sidebar.html

@@ -35,20 +35,6 @@
             <a href="{{ site.baseurl }}/docs/{{ site.docs_version }}/{{ group_slug }}/{{ doc_slug }}/">
               {{ doc.title }}
             </a>
-
-            {%- comment -%}
-            {% unless doc.sections == nil %}
-              <ul class="nav">
-                {% for section in doc.sections %}
-                  <li>
-                    <a href="#{{ section.title | downcase | replace: ' ', '-' }}">
-                      {{ section.title }}
-                    </a>
-                  </li>
-                {% endfor %}
-              </ul>
-            {% endunless %}
-            {%- endcomment -%}
           </li>
         {%- endfor -%}
       </ul>