PM / domains: Drop unused label

Drop the "out" label in __pm_genpd_poweron() that's not used any more.
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/base/power/domain.c

@@ -227,7 +227,6 @@ static int __pm_genpd_poweron(struct generic_pm_domain *genpd)
 	if (ret)
 		goto err;
 
- out:
 	genpd->status = GPD_STATE_ACTIVE;
 	return 0;