Revert "intelli_plug: refactor stats calculation code to be less intrusive"

This reverts commit 8c39c5fc8b8d70fa7af981751ca7f4850473facc.

Conflicts:
	kernel/sched/core.c
	kernel/sched/sched.h
Revert "intelli_plug: add nr_running_thresholds based on thread capacity of SOC type"

This reverts commit 9c36c31831dee78ba1c507baa2eb39c487d98f6e.

Conflicts:
	kernel/sched/sched.h
Revert "intelli_plug: remove legacy msm_rq based code"

This reverts commit 6a2b8c24dbf2d54ad153be43f632fe3b757a9800.
Revert "Intelli_plug: kernel sched/core: add per cpu nr_running stats"

This reverts commit 894ea707c64388c3ece81baa350b912eed299c4f.

Conflicts:
	kernel/sched/core.c