[PRQ#58083] Deletion Request for beatslash-lv2

MarsSeed [1] filed a deletion request for beatslash-lv2 [2]: Gtk2 based plugin, EOL since 2019; GitHub repo archived. [a] [a]: https://github.com/blablack/beatslash-lv2/releases [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/beatslash-lv2/