Revert "mm: Dynamic management of dirty page writebacks"

This reverts commit fc86b7ccd003cd1cbe3b04538a285b3790a7dfb4.
Revert "disable arch power"

This reverts commit 99a41aa3462d7d24926d1a73a0c7e136996c1764.
Revert "sched: Add controls for sched features"

This reverts commit ae3813dc91630003e0a0bec07c424b7b916476d5.
Revert "sched: Add sysinterface for GENTLE_FAIR_SLEEPERS"

This reverts commit 5f78e2cd08cfee4cfb15606566b5fcd060c1e049.
disable arch power