Use jinja2 templates in tsig test

- Rename ns1/named-fips.conf.in to ns1/named.conf.j2.
- Move MD5-specific stuff into ns1/named-md5.conf.j2 and include it
  conditionally.

bin/tests/system/tsig/ns1/named-md5.conf.j2

@@ -11,8 +11,6 @@
  * information regarding copyright ownership.
  */
 
-include "named-fips.conf";
-
 key "md5" {
 	secret "97rnFx24Tfna4mHPfgnerA==";
 	algorithm hmac-md5;

bin/tests/system/tsig/ns1/named.conf.j2

@@ -24,6 +24,10 @@ options {
 	notify no;
 };
 
+{% if FEATURE_MD5 == "1" %}
+include "named-md5.conf";
+{% endif %}
+
 key "sha1" {
 	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
 	algorithm hmac-sha1;

bin/tests/system/tsig/setup.sh

@@ -1,22 +0,0 @@
-#!/bin/sh
-
-# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
-#
-# SPDX-License-Identifier: MPL-2.0
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0.  If a copy of the MPL was not distributed with this
-# file, you can obtain one at https://mozilla.org/MPL/2.0/.
-#
-# See the COPYRIGHT file distributed with this work for additional
-# information regarding copyright ownership.
-
-. ../conf.sh
-
-if $FEATURETEST --md5; then
-  copy_setports ns1/named-fips.conf.in ns1/named-fips.conf
-  # includes named-fips.conf
-  cp ns1/named.conf.in ns1/named.conf
-else
-  copy_setports ns1/named-fips.conf.in ns1/named.conf
-fi