webui: Remove Chatwoot widget from website

As per #190, as it's not really doing anything useful for us at
this stage.

Author: justinclift

webui/templates/footer.html

@@ -56,22 +56,6 @@
     fathom('trackPageview');
 </script>
 <!-- / Fathom -->
-<!-- Chatwoot start -->
-<script>
-    (function(d,t) {
-        let BASE_URL = "https://app.chatwoot.com";
-        let g=d.createElement(t),s=d.getElementsByTagName(t)[0];
-        g.src= BASE_URL + "/packs/js/sdk.js";
-        s.parentNode.insertBefore(g,s);
-        g.onload=function(){
-            window.chatwootSDK.run({
-                websiteToken: 'Gujen34nkfCAiu4sPfovyZbV',
-                baseUrl: BASE_URL
-            })
-        }
-    })(document,"script");
-</script>
-<!-- Chatwoot end -->
 [[ end ]]
 
 <script type="application/javascript">