[PRQ#46742] Deletion Request for libxss-vapi-git

MarsSeed [1] filed a deletion request for libxss-vapi-git [2]: Discontinued Vala bindings for libxss from 2015. [a] Build broken since 2017, as per the only comment on the AUR page. Better to delete this now. [a]: https://github.com/semplice/libxss-vapi [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libxss-vapi-git/