[Web] Remove XMPP options

[Web] Add Rspamd preset #4
[Web] Do not show failed SASL logins (and also remove them from db)

data/conf/nginx/includes/site-defaults.conf

@@ -118,14 +118,6 @@
     proxy_redirect off;
   }
 
-  location /xmpp/ {
-    proxy_pass       http://ejabberd:5282/xmpp/;
-    proxy_set_header Host      $http_host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header X-Real-IP $remote_addr;
-    proxy_redirect off;
-  }
-
   location ~* ^/Autodiscover/Autodiscover.xml {
     fastcgi_split_path_info ^(.+\.php)(/.+)$;
     fastcgi_pass phpfpm:9002;