[PRQ#61998] Deletion Request for libvmaf-compat

MarsSeed [1] filed a deletion request for libvmaf-compat [2]: This legacy library version is not used anymore by any AUR package (likely since Jan 2024). It no longer compiles from source as of now. Safe to delete. Arch/extra repo carries the current release of the vmaf library. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libvmaf-compat/