ota: Disable downgrade check

We want users to be able to downgrade their packages.

Change-Id: I6bcbd4ee2a02640fe0855b0f1f197a02e914c927
core: main: remove all the spam about including make files

to disable showing the makefile includes:

	export HIDE_MAKEFILE_INCLUDES=y

Change-Id: Ifd2ef0e239d16b169c572472416c2c31df62a367