Revert "mione_plus: use ondemand as the default cpu_governor"
Let it be set in etc/init.qcom.post_boot.sh
This reverts commit 4746b253d9e4480105a5dfb54d12f7a4c1dbbb53.

Conflicts:

	ramdisk/init.mione.rc
overlay:enable 4 rotations
and remove dead code