Temporarily remove standalone tester bots from CQ. Due to RECIPE CRASH, e.g. https://ci.chromium.org/ui/p/angle/builders/try/linux-clang-rel/21245/overview No-try: true Bug: angleproject:5114 Change-Id: I42f76fb370ee5423430955643bffb8c2204fa25f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2875717 Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>