Changes to Get DATEV data pushes

removed the non-success response with the status 400

removed the non-success response with the status 401

removed the non-success response with the status 403

removed the non-success response with the status 404

removed the non-success response with the status 503

the status response property const value success was added for the status 200

removed the success enum value from the status response property for the response status 200