Revert "lowmemorykiller: Compact memory when killing processes"

This reverts commit 77da76068d5c1471d9727ab0c961a71862a040c7.
Update defconfigs
Merge remote-tracking branch 'arco/jb-3.0' into jb-3.0

Conflicts:
	drivers/staging/android/lowmemorykiller.c
	mm/compaction.c