use freenode's webchat instead of riot link - it's free

web/templates/sales/get_sale/item_received.html

@@ -26,5 +26,5 @@
 <ul>
   <li><a href="https://github.com/lalanza808/xmrauctions" target="_blank">Github (@lalanza808)</a>
   <li><a href="https://twitter.com/lza_menace" target="_blank">Twitter (@lza_menace)</a></li>
-  <li><a href="https://riot.im/app/#/room/#monero:matrix.org" target="_blank">IRC (@lza_menace)</a></li>
+  <li><a href="https://webchat.freenode.net/?room=#monero" target="_blank">IRC (@lza_menace)</a></li>
 </ul>