[PRQ#49957] Deletion Request for perl-cache-ref

MarsSeed [1] filed a deletion request for perl-cache-ref [2]: Cleanup of this unused Perl module, last released in 2010, after the deletion of its defunct AUR consumer, perl-kiokudb, from 2014 (PRQ#49945). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/perl-cache-ref/