If you want to delete Vulkan then you can uninstall it. ... Also, keep in mind, once you delete the Vulkan Run Time Libraries, you won't be able to manually download these on your own. You will have to uninstall and reinstall your graphics drivers or any other program that originally installed Vulkan in the first place.

Can I uninstall Vulcan Runtime Libraries?

Vulkan Runtime Libraries explained

There's no need to delete it. Actually, Vulkan is a relatively new graphics standard, just like OpenGL and DirectX. It provides high-efficiency, cross-platform access to modern GPUs used in a wide variety of devices from PCs and consoles, to mobile phones.

Do I need Vulkan Runtime Libraries?

Vulkan Libraries provide increased performance and much more balanced CPU/GPU usage. If you find it, it means Vulkan Runtime Libraries is still there and if not then you have to install it. Sometimes Windows Defender or Antivirus may flag Vulkan as a threat, but it is not. So do not remove it.