hubnotify is gone

Author: behrisch

content/contact.md

@@ -138,7 +138,7 @@ Matrix room-address: <a href="https://chat.eclipse.org/#/room/#automotive.sumo:m
 <div class="col-md-12 contact-div">
 <h4 style="color:#17412f;" id="commit-rss"><i class="fas fa-rss"></i><br>
 Commit RSS</h4><br>
-If you want to receive regular updates on commits, you can subscribe to <a href="https://github.com/eclipse-sumo/sumo/commits/main.atom">this feed</a> or set up an <a href="https://ifttt.com/applets/rhYv7ixE-rss-feed-to-email">IFTTT link</a> or use <a href="https://hubnotify.com/">https://hubnotify.com/</a> to send you an email.
+If you want to receive regular updates on commits, you can subscribe to <a href="https://github.com/eclipse-sumo/sumo/commits/main.atom">this feed</a> or set up an <a href="https://ifttt.com/applets/rhYv7ixE-rss-feed-to-email">IFTTT link</a>.
 </div>
 
 </div></div>