The reasoning is that this is not supported by Vulkan.
In order to make shaders cross API compatible, python scripts
needs to use `GPUShaderCreateInfo`.
This removes the constructor all-together. Another option
is to raise an error inside the constructor and always
return none.
Rel #107374
Pull Request: https://projects.blender.org/blender/blender/pulls/140368
11063b5b90