Streamlined EAP plugins to use a dash between eap-method, as used in all other places

testing/tests/ikev2/rw-eap-md5-id-radius/hosts/carol/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink fips-prf eapmd5 eapidentity updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink fips-prf eap-md5 eap-identity updown
 }

testing/tests/ikev2/rw-eap-md5-id-radius/hosts/moon/etc/strongswan.conf

@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink fips-prf eapradius eapidentity updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink fips-prf eap-radius eap-identity updown
   plugins {
     eap_radius {
       secret = gv6URkSs