[PRQ#49299] Deletion Request for keepassxc-client-library

MarsSeed [1] filed a deletion request for keepassxc-client-library [2]: Defunct, discontinued, unneeded library from 2018. Also upstream GitHub repo is archived. [a] [a]: https://github.com/Skycoder42/keepassxc-client-library [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/keepassxc-client-library/