Revert "Fix LMk part 2"

This reverts commit 06438ca0ced06fa9bfe648fedded5637830e3fd7.
øRevert "Fix LMK"

This reverts commit 539c47929dd375c14f77bc5962d65b01890c93f5.
Revert "staging: lowmemorykiller: Add enhanced LMK routine"

This reverts commit 9c20dcd56d3da77b4992031ce937745b6a07a9d0.