cros_bundle_firmware: Cut down on PackFirmware usage some more

Much of it isn't used anymore.

BUG=chromium:595715
BRANCH=none
TEST=Bit-identical build except for timestamps

Change-Id: I754ae97a7fa58e3511bbd890e61570b8ec428a20
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/404614
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
1 file changed