Removed uneccessary import service

application/src/main/java/org/thingsboard/server/service/entitiy/alarm/DefaultTbAlarmService.java

@@ -38,7 +38,6 @@ import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.dao.eventsourcing.DeleteEntityEvent;
-import org.thingsboard.server.dao.user.UserService;
 import org.thingsboard.server.service.entitiy.AbstractTbEntityService;
 
 import java.util.List;
@@ -51,9 +50,6 @@ public class DefaultTbAlarmService extends AbstractTbEntityService implements Tb
     @Autowired
     protected TbAlarmCommentService alarmCommentService;
 
-    @Autowired
-    protected UserService userService;
-
     @Override
     public Alarm save(Alarm alarm, User user) throws ThingsboardException {
         ActionType actionType = alarm.getId() == null ? ActionType.ADDED : ActionType.UPDATED;