[PRQ#67299] Deletion Request for libhangish-git

MarsSeed [1] filed a deletion request for libhangish-git [2]: Cleanup of defunct VCS package. Upstream abandoned since 2015. [a] Contrary to pkgdesc, this was not a library for Google Talks but Google Hangouts, which was discontinued on November 1, 2022. [a]: https://github.com/tiagosh/libhangish [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libhangish-git/