PRESUBMIT.py: Remove uses of EnsureCQIncludeTrybotsAreAdded.

The functionality was moved to cq.cfg in
https://chromium-review.googlesource.com/c/chromium/src/+/1265735

Bug: 881860
Change-Id: I839784ec7babfa095272ab06c4c21c1e57475216
Reviewed-on: https://chromium-review.googlesource.com/c/1266055
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#600875}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 35bdc0f5358109992dc7f205896267619eafea69
1 file changed