Revert " android/lowmemorykiller: Wait for memory to be freed"

This reverts commit 59ac2a6d469e65cd827030880b78d6ebcbf043d4.
Revert "Ported LMK patch from  halaszk / siyahkernel-sgs3 TNX!"

This reverts commit ad6707a1fc83dd49c74e984653fe79a8e8d4d1a6.
LMK: tuning to more defaults. to kill MORE. anti noob protect.