Revert "pm/suspend: Enable CPU QoS reqiurement"

This reverts commit 98c0ca56bd054a21bab583c336559ab60dde5465.
LiveOPP: rewrite raw pll value for 300 MHz and enable it by default
Revert "mm: Decrease default dirty ratio"

This reverts commit d9db5cab0c38a290751483fa90098d261e587c1f.