[PRQ#49302] Deletion Request for qt5-datasync

MarsSeed [1] filed a deletion request for qt5-datasync [2]: Unused, discontinued library from 2019; upstream maintenance discontinued since that year, GitHub repo is archived. [a] [a]: https://github.com/Skycoder42/QtDataSync [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qt5-datasync/