[PRQ#52328] Deletion Request for meson-rust

MarsSeed [1] filed a deletion request for meson-rust [2]: Older release candidate pkg than repo's stable meson, and there is nothing additional in this AUR package compared to the one in [extra]. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/meson-rust/