[PRQ#48151] Deletion Request for libxml2-2.9

MarsSeed [1] filed a deletion request for libxml2-2.9 [2]: Conflicting legacy version of core/libxml2, which is not allowed to be kept on AUR as per submission guidelines. Also there's no need for this package. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libxml2-2.9/