Accidentally committed GLES3 suppressions to a GLES2 file.

BUG=angleproject:1324

This reverts commit ea9b92f6.

Change-Id: I510f05350d397ced8c68c3ea74c8549062835641
Reviewed-on: https://chromium-review.googlesource.com/329335Reviewed-by: Jamie Madill <jmadill@chromium.org>