remove unnecessary code lines

components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/GroupDAO.java

@@ -31,7 +31,6 @@ import java.util.Map;
  * This interface represents the key operations associated with persisting group related information.
  */
 public interface GroupDAO {
-
     /**
      * Add new Device Group.
      *
@@ -196,7 +195,6 @@ public interface GroupDAO {
 
     /**
      * Get the groups of device with device id provided
-     *
      * @param deviceId
      * @return groups which has the device.
      * @throws GroupManagementDAOException
@@ -423,15 +421,16 @@ public interface GroupDAO {
      * @throws GroupManagementDAOException
      */
     int getOwnGroupsCount(String username, int tenantId, String parentPath) throws GroupManagementDAOException;
+
     /**
-     components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/GroupDAO.java    * Get device Ids of devices which are assigned to groups.
+     * Get device Ids of devices which are assigned to groups.
      *
      * @param paginationRequest Request object with offset and limit.
      * @param groupNames default group names that should be omitted when checking the device
      *                   whether they have been assigned to groups
-     * @return details of devices that are unassigned to groups.
      * @throws GroupManagementDAOException Might occur while retrieving information of group
      * unassigned devices
+     * @return details of devices that are unassigned to groups.
      */
 
     List<Device> getGroupUnassignedDevices(PaginationRequest paginationRequest,