[PRQ#43303] Deletion Request for llvm-proton-bin

MarsSeed [1] filed a deletion request for llvm-proton-bin [2]: Unneeded pkg from 2021; some kind of personalized build toolchain for the 2+ year abandoned linux-zest kernel fork. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/llvm-proton-bin/