Revert "new email alias for grome-sig"
We went with just using the regular gnome-sig@lists.fedoraproject.org
bugzilla account and don't need to redirect any more.
This reverts commit 146685283d58a5c19dd0a87652c8104ab29ec54d.
Signed-off-by: Kalev Lember <klember@redhat.com>