Remove auto adding CQ keywords for non-master branches

Bug: skia:
Change-Id: I03e5ceff326d38f96ce6fea699248b0232e39a63
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202701
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
1 file changed