[PRQ#46177] Deletion Request for xssmap

MarsSeed [1] filed a deletion request for xssmap [2]: Orphan package from 2021. Upstream discontinued since 2020 [a]. Uses the broken Qt5-WebKit-based PhantomJS that is also deprecated since same year. [a]: https://github.com/secdec/xssmap [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/xssmap/