Fix code styling

Author: jbrooksuk

database/seeders/DatabaseSeeder.php

@@ -9,7 +9,6 @@
 use Cachet\Enums\MetricTypeEnum;
 use Cachet\Enums\MetricViewEnum;
 use Cachet\Enums\ResourceVisibilityEnum;
-use Cachet\Enums\ScheduleStatusEnum;
 use Cachet\Models\Component;
 use Cachet\Models\ComponentGroup;
 use Cachet\Models\Incident;