They were not used, causing unnecessary code bloat.

R=cmp@chromium.org
BUG=
TEST=


Review URL: https://chromiumcodereview.appspot.com/10825009

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@148541 0039d316-1c4b-4281-b951-d872f2087c98