ikev2: Remove private AUTH_BLISS method

We use the new signature authentication instead for this.  This is not
backward compatible but we only released one version with BLISS support,
and the key format will change anyway with the next release.

src/libcharon/sa/authenticator.c

@@ -38,9 +38,7 @@ ENUM_NEXT(auth_method_names, AUTH_ECDSA_256, AUTH_DS, AUTH_DSS,
 	"secure password method",
 	"NULL authentication",
 	"digital signature");
-ENUM_NEXT(auth_method_names, AUTH_BLISS, AUTH_BLISS, AUTH_DS,
-	"BLISS signature");
-ENUM_NEXT(auth_method_names, AUTH_XAUTH_INIT_PSK, AUTH_HYBRID_RESP_RSA, AUTH_BLISS,
+ENUM_NEXT(auth_method_names, AUTH_XAUTH_INIT_PSK, AUTH_HYBRID_RESP_RSA, AUTH_DS,
 	"XAuthInitPSK",
 	"XAuthRespPSK",
 	"XAuthInitRSA",
@@ -104,7 +102,6 @@ authenticator_t *authenticator_create_verifier(
 		case AUTH_ECDSA_384:
 		case AUTH_ECDSA_521:
 		case AUTH_DS:
-		case AUTH_BLISS:
 			return (authenticator_t*)pubkey_authenticator_create_verifier(ike_sa,
 										sent_nonce, received_init, reserved);
 		case AUTH_PSK: