mod_delegation: fix bare jid disco nesting
bare jid info discovery hook has been accidentally removed a while ago, as a result disco
nesting for bare jids was not working anymore.
local count_registering = module:measure("user_registering", "rate");
local count_registered = module:measure("user_registered", "rate");
module:hook("user-registering", function ()
count_registering();
end);
module:hook("user-registered", function ()
count_registered();
end);