Remove sign_cla entry from cq.cfg

Bug: chromium:851750
Change-Id: I44585b804c26e83ab200f161a759f202cdc79a2d
Reviewed-on: https://skia-review.googlesource.com/141463
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
1 file changed