[PRQ#75086] Deletion Request for libggml-hip-git

xiota [1] filed a deletion request for libggml-hip-git [2]: No longer needed. No package currently depends on this. Local benchmarking showed performance decrease relative to Vulkan. [1] https://aur.archlinux.org/account/xiota/ [2] https://aur.archlinux.org/pkgbase/libggml-hip-git/