DeleteStateDefinition.
        [Preview API] Removes a state definition in the work item type of the process.
        :param str process_id: ID of the process
        :param str wit_ref_name: The reference name of the work item type
        :param str state_id: ID of the state

def delete_state_definition(self, process_id, wit_ref_name, state_id):
        """DeleteStateDefinition.
        [Preview API] Removes a state definition in the work item type of the process.
        :param str process_id: ID of the process
        :param str wit_ref_name: The reference name of the work item type
        :param str state_id: ID of the state
        """
        route_values = {}
        if process_id is not None:
            route_values['processId'] = self._serialize.url('process_id', process_id, 'str')
        if wit_ref_name is not None:
            route_values['witRefName'] = self._serialize.url('wit_ref_name', wit_ref_name, 'str')
        if state_id is not None:
            route_values['stateId'] = self._serialize.url('state_id', state_id, 'str')
        self._send(http_method='DELETE',
                   location_id='31015d57-2dff-4a46-adb3-2fb4ee3dcec9',
                   version='5.0-preview.1',
                   route_values=route_values)