Revert "lowmemorykiller: Account for highmem during kswapd reclaim"

This reverts commit 7327c8e88b76bdd50cc297708c30bd00a45528cc.
shit to geet reverted
Revert "android/lowmemorykiller: Account for total_swapcache_pages"

This reverts commit ca31c297d7621b185cd5b416573bf87e23960460.

Conflicts:
	arch/arm/configs/ville_defconfig