Revert "db845c/BoardConfig.mk: set bootv3 as the default"

This reverts commit 63f8e16a54cbeffac39255f6b60b5bfbfcb070fa.

Reason for revert: Appears to break boot in lab (odd since firmware was updated)

Bug: 183952621
Change-Id: I98d5a6e651c421ab7dd41c1b4b5b0d8d79d76033
Signed-off-by: Todd Kjos <tkjos@google.com>
1 file changed