Revert "defconfig: set smartass2 as default"

This reverts commit c7b655466309b7542b865f8b422e69ece9d9a22b.
defconfig: set lagfree governor as default

Change-Id: Ie9877f099fe747818a5c50ca44a5b22fa19cacba
merge

Change-Id: I136a2f19fd0351d840995512bc4aa0dd7e90d544