Cleanup: remove unused ANGLE_ASSERT_IMPL Bug: b/297343154 Change-Id: Iccde6b93fd26aa5b575a11d0ac61c59f03508567 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4810192 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Roman Lavrov <romanl@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Auto-Submit: Roman Lavrov <romanl@google.com>