Remove brillo_update_payload.

This script is now installed from the update_engine repo.

BUG=b:25631934
TEST=sudo emerge cros-devutils

Change-Id: I79d840f04801059f63ebdbfeadd030aa7b31f46b
Reviewed-on: https://chromium-review.googlesource.com/318820
Commit-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Gilad Arnold <garnold@chromium.org>
1 file changed