[PRQ#50622] Deletion Request for lightdm-gtk-backgroundmatch

MarsSeed [1] filed a deletion request for lightdm-gtk-backgroundmatch [2]: Defunct tool from 2020, upstream and source URL leads to deleted GitHub repo (404 not found). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/lightdm-gtk-backgroundmatch/