[PRQ#42673] Deletion Request for spop-git

MarsSeed [1] filed a deletion request for spop-git [2]: Obsolete VCS package. Project halted in 2017. [a] In 2022, Spotify had shut down all access via libspotify. [b] Safe to delete this package now. [a]: https://github.com/Schnouki/spop [b]: https://developer.spotify.com/blog/2022-04-12/libspotify-sunset [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/spop-git/