Drop Gitter link

Author: ForNeVeR

Codingteam.Site/Views/Home/Index.cshtml

@@ -18,11 +18,6 @@
             <i class="fa-li fa fa-lightbulb-o"></i> XMPP conference (backup channel)
         </a>
     </li>
-    <li>
-        <a href="https://gitter.im/codingteam">
-            <i class="fa-li fa fa-users"></i> Gitter room
-        </a>
-    </li>
     <li>
         <a href="https://bitbucket.org/codingteam">
             <i class="fa-li fa fa-bitbucket"></i> Bitbucket team