Remove gclient sync from calmbench

Skia no longer uses gclient sync and our bots never use calmbench.py anyway.

Bug: skia:
Change-Id: Ic1679e6078353f148e975777b3122cf4e1ab8bda
Reviewed-on: https://skia-review.googlesource.com/149259
Commit-Queue: Yuqian Li <liyuqian@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
Auto-Submit: Yuqian Li <liyuqian@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
1 file changed