Remove Needle button

Last Needle 2.4.6 is out so remove download button.

index.html

@@ -65,10 +65,6 @@
             <small>Download latest stable</small>
             camelback release <small>3.1.6</small>
           </a>
-          <a href="https://github.com/corosync/corosync/releases/download/v2.4.5/corosync-2.4.5.tar.gz" class="button">
-            <small>Download latest stable</small>
-            needle release <small>2.4.5</small>
-          </a>
 
           <p class="repo-owner"><a href="https://github.com/corosync/corosync"></a> is maintained by <a href="https://github.com/corosync">corosync</a>.</p>