pm: Remove invalid comments

Remove comments referencing an old function / behavior.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: Flavio Ceolin

kernel/include/kernel_internal.h

@@ -261,8 +261,7 @@ bool pm_system_suspend(int32_t ticks);
  * those cases, the ISR would be invoked immediately after the event wakes up
  * the CPU, before code following the CPU wait, gets a chance to execute. This
  * can be ignored if no operation needs to be done at the wake event
- * notification. Alternatively pm_idle_exit_notification_disable() can
- * be called in pm_system_suspend to disable this notification.
+ * notification.
  */
 void pm_system_resume(void);
 

subsys/pm/pm.c

@@ -159,9 +159,6 @@ void pm_system_resume(void)
 	 * For such CPU LPS states, do post operations and restores here.
 	 * The kernel scheduler will get control after the ISR finishes
 	 * and it may schedule another thread.
-	 *
-	 * Call pm_idle_exit_notification_disable() if this
-	 * notification is not required.
 	 */
 	if (!post_ops_done) {
 		uint8_t id = _current_cpu->id;