Vulkan: Remove syncval suppressions no longer triggering Bug: angleproject:6422 Bug: angleproject:6424 Bug: angleproject:6566 Change-Id: If4d6cf097108f71732d093f3debfc30475a3c90c Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3612183 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>