Renamed plugin configuration sections to the actual plugin name

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

@@ -3,8 +3,8 @@
 charon {
   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 
+    eap-radius {
+      secret = gv6URkSs
       server = PH_IP_ALICE
     }
   }