Update thereisonlyseamonkey.html

adhoc-testing/thereisonlyseamonkey.html

@@ -563,7 +563,6 @@ margin: 1em 0 0.2em 0;
                 <li><a href="/extensions/tools-and-utilities/">Tools &amp; Utilities</a></li>
                 <li><a href="/extensions/web-development/">Web Development</a></li>
                 <li><a href="/extensions/other/">Other</a></li>
-                <li><a href="/extensions/all/">All Extensions</a></li>
               </ul>
             </ul>
           </div>
@@ -612,4 +611,4 @@ margin: 1em 0 0.2em 0;
         &#8212; The SeaMonkey Add-ons Site is powered by <a href="https://github.com/binaryoutcast/neptune" target="_blank">Project Neptune</a> X.0.0a1 &#8212;<br /><br />
       </p>
   </body>
-</html>
+</html>