testing: Remove unused revocation and constraints plugins for swanctl

swanctl doesn't do any (online) certificate validation, it just parses
and or decrypts them and passes them on to the daemon.

testing/tests/wolfssl/rw-cert/hosts/carol/etc/strongswan.conf

@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
-swanctl {
-  load = pem wolfssl x509 revocation constraints pkcs1 pubkey
+ swanctl {
+  load = pem wolfssl x509 pkcs1 pubkey
 }
 
 charon-systemd {

testing/tests/wolfssl/rw-cert/hosts/dave/etc/strongswan.conf

@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
-swanctl {
-  load = pkcs1 pem openssl revocation constraints
+ swanctl {
+  load = pkcs1 pem openssl
 }
 
 charon-systemd {

testing/tests/wolfssl/rw-cert/hosts/moon/etc/strongswan.conf

@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
-swanctl {
-  load = pem wolfssl x509 revocation constraints pkcs1 pubkey
+ swanctl {
+  load = pem wolfssl x509 pkcs1 pubkey
 }
 
 charon-systemd {