licensing: drop ENABLE_LICENSING transitional knob

We had this while the code was under development, but we're long
past that point now.  Clean it up to simplify.

BUG=None
TEST=CQ passes

Change-Id: Ia140d6324da61365cc392997c1ceb64efd542cfe
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2303217
Reviewed-by: Alex Klein <saklein@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
1 file changed