roll_util: Don't add "CQ-Do-Not-Cancel-Tryjobs"

Don't add "CQ-Do-Not-Cancel-Tryjobs: true" to rolls. It's now added
automatically by the auto_roller module.

Change-Id: Ic1140868f1883459f367129fd9d9b266fc2061f7
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/36340
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Oliver Newman <olivernewman@google.com>
29 files changed
tree: 0364a7caca1d9103dd8d9c6e7e58847f695daee6
  1. infra/
  2. recipe_modules/
  3. recipes/
  4. .gitignore
  5. .style.yapf
  6. recipes.py