render/vulkan: remove hardcoded validation layers
Users should use the VK_INSTANCE_LAYERS env var to set layers at runtime.
Superseeds !3318 (closed) Closes #3283 (closed)
Edited by Simon Zeni
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Users should use the VK_INSTANCE_LAYERS env var to set layers at runtime.
Superseeds !3318 (closed) Closes #3283 (closed)