[aur-requests] [PRQ#28990] Deletion Request for hplip-318

dreieck [1] filed a deletion request for hplip-318 [2]: Duplicate of [`hplip-3.18`](/packages/hplip-3.18/). [1] https://aur.archlinux.org/account/dreieck/ [2] https://aur.archlinux.org/pkgbase/hplip-318/