fix: cant remove time scheduler #31

manager.go

@@ -214,6 +214,8 @@ func (m *Manager) removeJobInternal(id JobID) error {
 		if err := scheduler.(*IntervalScheduler).Cancel(id); err != nil {
 			return err
 		}
+	case *TimeScheduler:
+		if err := scheduler.(*TimeScheduler).Cancel(id); err != nil {
 	default:
 		return ErrUnknownScheduleType