[PRQ#46292] Deletion Request for usd20

MarsSeed [1] filed a deletion request for usd20 [2]: Broken legacy version of usd, cannot be built. AUR has the functioning latest version: https://aur.archlinux.org/packages/usd Nothing depends on this old one. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/usd20/