CL/VK: Cleanup old non-uniform restriction in CLDeviceVk Bug: angleproject:42267085 Change-Id: I5499324c89d0358c12b6ce2f6f0015547730fc8d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6235928 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Austin Annestrand <a.annestrand@samsung.com>