Removed checks for promoted extensions Removed checks for Vulkan extensions that have been promoted into Vulkan 1.1, which is already the minimum required version for ANGLE. The dependent features now work when the extensions are missing because the extensions are no longer necessary. Bug: angleproject:374483183 Change-Id: Iad92b33a8e724eaa8f4bfcbe406f5b6b8536d6d8 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5944678 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: Charlie Lao <cclao@google.com>