MarsSeed [1] filed a deletion request for elgato-gchd [2]: Abandoned VCS package in disguise from 2019. Upstream not developed since 2016. [a]
[a]: https://github.com/tolga9009/elgato-gchd [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/elgato-gchd/