[PRQ#47849] Deletion Request for libmemcached-old

MarsSeed [1] filed a deletion request for libmemcached-old [2]: Unused, abandoned legacy package from 2015. Nothing depends on it. Repo carries the latest stable implementation of libmemcached. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libmemcached-old/