LMK: more clean implementation of ANDROID_LMK_ADJ_RBTREE

when i merge new code i need to know every new mod that added to code!

this tweak to LMK is not exist in main line code.
Config Cleanups. LMK CONFIG_ANDROID_BG_SCAN_MEM is too aggressive.

it's kills apps that work now as music player in background!
not needed!

Cleaned empty defines is Kconfigs
disabled quad core stats, no one see them any way. useless for users.
Revert "Active Core Manager: Initial bringup for Snapdragon 800 SoC"

This reverts commit addcb6727b87a035f5f06dd721fa6bfdc08762c7.
Config cleanup.
Merge branch 'master' of github.com:dorimanx/Dorimanx-LG-G2-D802-Kernel