Revert "sched: document the difference between nr_running and h_nr_running"

This reverts commit ea87e7ff054f84d13b370f5511e39ac313bf4daf.
Revert "sched: change active_load_balance_cpu_stop to use h_nr_running"

This reverts commit e8cb20ad46002740d4a2fd736bd1029b4dfe9dec.
Revert "sched: change find_busiest_queue to h_nr_running"

This reverts commit 86f817c6b2483eab58985a0ee6a94e5ead65cbb3.
Revert "sched: change update_sg_lb_stats to h_nr_running"

This reverts commit 2bbb8c173d9b53873e68abf7252766a4ba8bbc1c.
Revert "sched: change pick_next_task_fair to h_nr_running"

This reverts commit 65a8f35b0311c1c0b8eca4c713bdad77a1cfa40b.
Revert "sched: change update_rq_runnable_avg using h_nr_running"

This reverts commit 798b65fde3726c41b9b443702ada168d9c38a513.
Revert "sched: change cpu_avg_load_per_task using h_nr_running"

This reverts commit 6638718ccd91ace7a76b6e00282d92ec29bd4353.
Revert "fix"

This reverts commit 96117ed2aff5a58ab1f8c1c86b8b6655cf3c4bfd.
Revert "sched: change load balance number to h_nr_running of run queue"

This reverts commit 481f570567c42ca10d155c6f02b28460576715c2.
Revert "fix"

This reverts commit 56236e24cc7c757dddf7f18c4a83714da84c88f1.