Update default.html

Author: colinramsay

_layouts/default.html

@@ -19,8 +19,6 @@ <h1><a href="/"><i class="cr-rocket"></i> <span>colinramsay.co.uk</span></a></h1
                 <li><a href="/archive.html"><i class="cr-archive"></i> Archive</a></li>
                 <li><a href="/index.xml"><i class="cr-rss"></i> Feed</a></li>
                 <li><a href="https://github.com/colinramsay"><i class="cr-github"></i> Github</a></li>
-                <li><a href="https://www.twitter.com/colinramsay"><i class="cr-twitter"></i> Twitter</a></li>
-                <li><a rel="me" href="https://mastodon.social/@colinramsay">Mastodon</a></li>
             </ul>
         </div>
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