Revert "sched: added time-based average load"

This reverts commit 8c5d8afe258ef50978c866dfcc4febcd3af5bee9.
sched: added time-based average load

Conflicts:
	include/linux/sched.h
	kernel/sched/sched.h

Conflicts:
	kernel/sched/sched.h
defconfig: disable balanced cpuquiet gov
fix build errors