Revert "defconfig: set smartass2 as default"

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

Change-Id: Ie9877f099fe747818a5c50ca44a5b22fa19cacba
merge CyanogenMod

Change-Id: I49c46e778f20e2e0d299649e4a66c3696b09e50d