fix: Clear prosody utils and removes a debug statement.

resources/prosody-plugins/mod_muc_domain_mapper.lua

 
 -- It is recommended to set muc_mapper_domain_base to the main domain being served (example.com)
 
-local jid = require "util.jid";
-
 local filters = require "util.filters";
 
 local muc_domain_base = module:get_option_string("muc_mapper_domain_base");

resources/prosody-plugins/util.lib.lua

             roomless_iqs[stanza.attr.id] = stanza.attr.to;
         end
     end
-    room_jid = jid.join(new_node, new_host, new_resource);
-    -- module:log("debug", "Rewrote to %s", room_jid);
-    return room_jid
+
+    return jid.join(new_node, new_host, new_resource);
 end
 
 -- Utility function to check and convert a room JID from real [foo]room1@muc.example.com to virtual room1@muc.foo.example.com
     end
 
     -- Ok, rewrite room_jid address to pretty format
-    local new_node, new_host, new_resource = target_node, muc_domain_prefix..".".. target_subdomain.."."..muc_domain_base, resource;
-    room_jid = jid.join(new_node, new_host, new_resource);
-    -- module:log("debug", "Rewrote to %s", room_jid);
-    return room_jid
+    return jid.join(target_node, muc_domain_prefix..".".. target_subdomain.."."..muc_domain_base, resource);
 end
 
 --- Finds and returns room by its jid
             return tag
         end
     )
-    module:log("debug",
-        "Presence after previous identity stripped: %s", tostring(stanza));
 
     stanza:tag("identity"):tag("user");
     for k, v in pairs(user) do
         stanza:up();
     end
 
-    module:log("debug",
-        "Presence with identity inserted %s", tostring(stanza))
 end
 
 -- Utility function to check whether feature is present and enabled. Allow