Ashark [1] filed a deletion request for vulkan-amdgpu-pro [2]: I want to upload a split package, that contains a package with this name. I have contacted current maintainer, he is ok about removing this.
[1] https://aur.archlinux.org/account/Ashark/ [2] https://aur.archlinux.org/pkgbase/vulkan-amdgpu-pro/
