def volume_type_extra_specs_delete(context, volume_type_id, key):
 IMPL.volume_type_extra_specs_delete(context, volume_type_id, key)

def volume_type_extra_specs_delete ( context , volume_type_id , key ) : IMPL . volume_type_extra_specs_delete ( context , volume_type_id , key )
delete the given extra specs item .