Revert "lmk: port from fuji 3.4"

This reverts commit 5f3076c779992fc9d246f552457a6a4f527ae9e8.
Revert "staging: android: lowmemorykiller: Change default debug_level to 1"

This reverts commit c238a8b59bfb52a3610887dd99c83c1666ac55da.
Revert "staging: android: lowmemorykiller: Add config option to support oom_adj values"

This reverts commit 67bae27738cf0065cfd1c2098aee34f631691d36.
Revert "lmk: port from 3.0.31"

This reverts commit a4c97beb4692492728f05c39f6f796a72a705122.
Revert "android: lowmemorykiller: add lmk parameters tunning code."

This reverts commit 22d990a58fc17b3f0155e15eb2dc3efa037bea1c.

Change-Id: I49732f86a4208f779329289f43ba3b3d97922a54