[PRQ#62268] Deletion Request for osvr-steamvr-git

MarsSeed [1] filed a deletion request for osvr-steamvr-git [2]: Broken software. Upstream abandoned for 7 years. [a] [a]: https://github.com/OSVR/SteamVR-OSVR [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/osvr-steamvr-git/