Remove CQ for unsupported branch refs/heads/chrome/m148 Change-Id: If85ca7523f93671322ea3cfdab156fb1811e69a8 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/1306897 Bot-Commit: chrome-branch-day <chrome-branch-day@chops-service-accounts.iam.gserviceaccount.com>