testing: Converterd tnc to systemd

testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf

@@ -1,14 +1,10 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
-charon {
+charon-systemd {
   load = random nonce openssl pem pkcs1 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown sqlite
 
   multiple_authentication = no
 
-  start-scripts {
-    creds = /usr/local/sbin/swanctl --load-creds 
-    conns = /usr/local/sbin/swanctl --load-conns
-  }
   syslog {
     auth {
       default = 0
@@ -34,7 +30,7 @@ libtls {
 
 libimcv {
   database = sqlite:///etc/db.d/config.db
-  policy_script = /usr/local/libexec/ipsec/imv_policy_manager 
+  policy_script = /usr/local/libexec/ipsec/imv_policy_manager
   plugins {
     imv-attestation {
       hash_algorithm = sha1