Delete zone.

    Argument:

        args: arguments object

def delete_zone(args):
    """Delete zone.

    Argument:

        args: arguments object
    """
    if args.__dict__.get('domain'):
        domain = args.domain

    password = get_password(args)
    token = connect.get_token(args.username, password, args.server)
    processing.delete_zone(args.server, token, domain)