'Delete a Database Subnet Group.
:type name: string
:param name: The identifier of the db_subnet_group to delete
:rtype: :class:`boto.rds.dbsubnetgroup.DBSubnetGroup`
:return: The deleted db_subnet_group.'

def delete_db_subnet_group(self, name):

    params = {'DBSubnetGroupName': name}
    return self.get_object('DeleteDBSubnetGroup', params, DBSubnetGroup)
