update_engine: Remove unused utils.
These functions are not currently used, and looks like they have
never been used.
BUG=chromium:368971
TEST=Unittests still pass. grep says we are not using them.
Change-Id: I2ea9878920d177529c0a504adff94303c2471565
Reviewed-on: https://chromium-review.googlesource.com/228195
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Gilad Arnold <garnold@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
4 files changed