Remove unnecessary SKIPs for Pixel4* dEQP tests Bug: b/224537784 Change-Id: I81c6f18d72ea893341ad2aa8ca819893e7d53d26 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3551659 Reviewed-by: Roman Lavrov <romanl@google.com> Commit-Queue: Ian Elliott <ianelliott@google.com>