[PRQ#66829] Deletion Request for yorick-ml4-git

MarsSeed [1] filed a deletion request for yorick-ml4-git [2]: Defunct, unused package. And upstream is unmaintained since 2014. [a] [a]: https://github.com/LLNL/yorick-ml4 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/yorick-ml4-git/