sched: clean up, these won't be used after the next commits
intelli_plug: refactor stats calculation code to be less intrusive
this is done for those kernels which do not have 100% source code available
and must use existing closed source modules such as wifi drivers

Signed-off-by: Paul Reioux <reioux@gmail.com>
Intelli_plug: kernel sched/core: add per cpu nr_running stats
Signed-off-by: Paul Reioux <reioux@gmail.com>