testing: Converted tnc scenarios to swanctl

testing/tests/tnc/tnccs-20-pdp-pt-tls/posttest.dat

@@ -1,7 +1,7 @@
 carol::ip route del 10.1.0.0/16 via 192.168.0.1
 dave::ip route del 10.1.0.0/16 via 192.168.0.1
 winnetou::ip route del 10.1.0.0/16 via 192.168.0.1
-alice::ipsec stop
+alice::service charon stop
 alice::service apache2 stop
 alice::iptables-restore < /etc/iptables.flush
 carol::iptables-restore < /etc/iptables.flush