Revert "releasetools: Generate streamable A/B OTA packages."

This reverts commit ef1bb4360f0b9ccc54afd7a39077b7ca4d8a9a36.

It has broken the builds that don't have care_map.txt entry.

Change-Id: I343455e66be5e79457968dfc2813c7c1c234b6dc
1 file changed