[PRQ#62265] Deletion Request for osvr-openhmd-git

MarsSeed [1] filed a deletion request for osvr-openhmd-git [2]: Upstream is EOL since 8 years ago, and this plugin no longer works. [a] [a]: https://github.com/simlrh/OSVR-OpenHMD/issues [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/osvr-openhmd-git/