sched/fair: Remove stale power aware scheduling comments

	 * We're trying to get all the cpus to the average_load, so we don't

	 * want to push ourselves above the average load, nor do we wish to

	 * reduce the max loaded cpu below the average load. At the same time,

	 * we also don't want to reduce the group load below the group capacity

	 * (so that we can implement power-savings policies etc). Thus we look

	 * for the minimum possible imbalance.

	 * we also don't want to reduce the group load below the group

	 * capacity. Thus we look for the minimum possible imbalance.

	 */

	max_pull = min(busiest->avg_load - sds->avg_load, load_above_capacity);

/**

 * find_busiest_group - Returns the busiest group within the sched_domain

 * if there is an imbalance. If there isn't an imbalance, and

 * the user has opted for power-savings, it returns a group whose

 * CPUs can be put to idle by rebalancing those tasks elsewhere, if

 * such a group exists.

 * if there is an imbalance.

 *

 * Also calculates the amount of weighted load which should be moved

 * to restore balance.

 * @env: The load balancing environment.

 *

 * Return:	- The busiest group if imbalance exists.

 *		- If no imbalance and user has opted for power-savings balance,

 *		   return the least loaded group whose CPUs can be

 *		   put to idle by rebalancing its tasks onto our group.

 */

static struct sched_group *find_busiest_group(struct lb_env *env)

{