def block_device_mapping_destroy_by_instance_and_device(context, instance_uuid, device_name):
 return IMPL.block_device_mapping_destroy_by_instance_and_device(context, instance_uuid, device_name)

def block_device_mapping_destroy_by_instance_and_device ( context , instance_uuid , device_name ) : return IMPL . block_device_mapping_destroy_by_instance_and_device ( context , instance_uuid , device_name )
destroy the block device mapping .