[PRQ#65577] Deletion Request for cen64

Presence [1] filed a deletion request for cen64 [2]: Hasn't had an actual release in many years and probably never will. There's still the -git package for building from their repo. [1] https://aur.archlinux.org/account/Presence/ [2] https://aur.archlinux.org/pkgbase/cen64/