[PRQ#51538] Deletion Request for perl6-crypt-argon2

MarsSeed [1] filed a deletion request for perl6-crypt-argon2 [2]: Cleanup of discontinued, unused Perl6 module. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/perl6-crypt-argon2/