Code cleanup

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java

@@ -762,9 +762,7 @@ public class OperationManagerImpl implements OperationManager {
         }
         try {
             OperationManagementDAOFactory.openConnection();
-            Activity act = operationDAO.getActivity(operationId);
+            return operationDAO.getActivity(operationId);
-//            act.setActivityId(activity);
-            return act;
         } catch (SQLException e) {
             throw new OperationManagementException("Error occurred while opening a connection to the data source.", e);
         } catch (OperationManagementDAOException e) {
@@ -850,8 +848,4 @@ public class OperationManagerImpl implements OperationManager {
         return status;
     }
 
-    private void setActivityId(Operation operation, int enrolmentId) {
-        operation.setActivityId(DeviceManagementConstants.OperationAttributes.ACTIVITY + enrolmentId);
-    }
-
 }