Revert r150536 - "Added a timezone policy and pyauto tests for it."

It broke unit tests on Chrome OS.

BUG=None
TBR=pneubeck@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10829235

git-svn-id: http://src.chromium.org/svn/trunk/src/chrome/browser/policy/proto@150540 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed