testing: Optimized plugin use in pkcs8 scenarios

testing/tests/botan/net2net-ed25519/hosts/moon/etc/strongswan.conf

@@ -1,9 +1,9 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 swanctl {
-  load = random pem x509 revocation constraints pubkey botan
+  load = random pem botan x509 revocation constraints
 }
 
 charon-systemd {
-  load = random nonce pem x509 botan revocation curl kernel-netlink socket-default updown vici
+  load = random nonce pem botan x509 revocation constraints curl kernel-netlink socket-default updown vici
 }