[win-bootstrap] Remove git from CIPD manifest
Bug: b/360206460
Change-Id: I2d61a3b31cea92813fc2ceb6401dd9e70302c764
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6217700
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Anne Redulla <aredulla@google.com>