[PRQ#58652] Deletion Request for mate-control-center-gtk2

MarsSeed [1] filed a deletion request for mate-control-center-gtk2 [2]: Broken, unneeded gtk2 version from 2017 of repo's mate-control-center. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mate-control-center-gtk2/