Revert "Settings : Add hooks for device specific features"

This reverts commit e6acd4491aa93e8711bfc8b5f397a800e2aaae8d.
Revert "Settings : Quick settings/Ribbons (Squashed commit)"

This reverts commit 36c602171ae30943bbacb24ec8e9717de83e0e83.
Revert "Move SystemUI settings to new candykat settings until we add slims nav bar, quicksettings etc."

This reverts commit b8886d3b5f1dab5697d6c53bef38c203c05802be.