More cleanup work. This is the job that never ends.

po/Makevars

@@ -41,7 +41,7 @@ PACKAGE_GNU = no
 # It can be your email address, or a mailing list address where translators
 # can write to without being subscribed, or the URL of a web page through
 # which the translators can contact you.
-MSGID_BUGS_ADDRESS = https://gitlab.gnome.org/GNOME/cthulhu/issues
+MSGID_BUGS_ADDRESS = https://groups.io/g/stormux
 
 # This is the list of locale categories, beyond LC_MESSAGES, for which the
 # message catalogs shall be used.  It is usually empty.