Remove python 2 from presubmit Bug: chromium:1313804 Change-Id: Ibbb3f3734f0d88016ec2d2a91bb0e0aba12661c2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3697623 Reviewed-by: Cody Northrop <cnorthrop@google.com> Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>