FabioLolix [1] filed a deletion request for lunarg-vulkan-sdk [2]: Abandoned for years, flagged out of date since 2016-12-20 and not following so many guidelines (license is Apache, should be compiled from source, source can be downloaded, source=() and checksum is missing from pkgbuild..)
[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/lunarg-vulkan-sdk/
