Flagged Out-of-Date Comment: vkcube-git

MarsSeed flagged vkcube-git out-of-date on 2024-03-24 (UTC) for the following reason:

Broken Vulkan 3D demo app (spinning cube); upstream abandoned since 2 years ago. Also not needed: repo's vulkan-tools already includes the working vkcube demo, which is also being actively maintained by upstream (Khronos Group).