remove old changelog page

fixes #1733

Author: SethTisue

_includes/download-resource-list.html

@@ -38,7 +38,6 @@ <h3>Other resources</h3>
 <h2 id="other-releases">Other Releases</h2>
 
 <p>You can find the links to prior versions or the latest development version below.
-To see a detailed list of changes for each version of Scala please refer to the <a href="{{ site.baseurl }}/download/changelog.html">changelog</a>.</p>
 
 <p>
   Note that different major releases of Scala 2 (e.g. Scala 2.11.x and Scala 2.12.x) are not
@@ -57,7 +56,6 @@ <h2 id="other-releases">Other Releases</h2>
     </ul></li>
   {% endfor %}
   <li><a href="https://scala-lang.org/files/archive/nightly/">Nightly builds</a></li>
-  <li><a href="/download/changelog.html">Changelog</a></li>
   <li><a href="/download/all.html">All Scala releases</a></li>
 </ul>
 </div>