DeletePublisherAsset.
        [Preview API] Delete publisher asset like logo
        :param str publisher_name: Internal name of the publisher
        :param str asset_type: Type of asset. Default value is 'logo'.

def delete_publisher_asset(self, publisher_name, asset_type=None):
        """DeletePublisherAsset.
        [Preview API] Delete publisher asset like logo
        :param str publisher_name: Internal name of the publisher
        :param str asset_type: Type of asset. Default value is 'logo'.
        """
        route_values = {}
        if publisher_name is not None:
            route_values['publisherName'] = self._serialize.url('publisher_name', publisher_name, 'str')
        query_parameters = {}
        if asset_type is not None:
            query_parameters['assetType'] = self._serialize.query('asset_type', asset_type, 'str')
        self._send(http_method='DELETE',
                   location_id='21143299-34f9-4c62-8ca8-53da691192f9',
                   version='5.1-preview.1',
                   route_values=route_values,
                   query_parameters=query_parameters)