Remove dEQP suppression for tests that already passed Bug: b/224537784 Bug: angleproject:6898 Bug: angleproject:6910 Bug: angleproject:6918 Change-Id: I25f1d0d6fb3147d11cdf352290a683beed5082f6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3976789 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: Yuxin Hu <yuxinhu@google.com>