testing: Migrated ha/both-active scenario to vici

testing/tests/ha/both-active/hosts/dave/etc/strongswan.conf

@@ -1,6 +1,6 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
-charon {
-  load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac stroke kernel-netlink socket-default updown
+charon-systemd {
+  load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown
 }