[PRQ#50521] Deletion Request for qmarkdowntextedit-git

MarsSeed [1] filed a deletion request for qmarkdowntextedit-git [2]: Discontinued fork from 2019 [a] of a library not used on Arch/AUR. [a]: https://github.com/sandsmark/qmarkdowntextedit/tree/martin/standalone [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qmarkdowntextedit-git/