remove state paramter from encrypted response

Signed-off-by: Johannes Tuerk <johannes.tuerk@lissi.id>

Author: JoTiTu

src/WalletFramework.Oid4Vc/Oid4Vp/AuthResponse/Encryption/EncryptedAuthorizationResponse.cs

@@ -12,7 +12,7 @@
 
 namespace WalletFramework.Oid4Vc.Oid4Vp.AuthResponse.Encryption;
 
-public record EncryptedAuthorizationResponse(string Jwe, Option<string> State)
+public record EncryptedAuthorizationResponse(string Jwe)
 {
     public override string ToString() => Jwe;
 }
@@ -64,7 +64,7 @@ [new JweRecipient(JweAlgorithm.ECDH_ES, verifierPubKey.ToEcdh())],
             extraProtectedHeaders: headers,
             settings: settings);
 
-        return new EncryptedAuthorizationResponse(jwe, response.State);
+        return new EncryptedAuthorizationResponse(jwe);
     }
 
     public static FormUrlEncodedContent ToFormUrl(this EncryptedAuthorizationResponse response)
@@ -74,8 +74,6 @@ public static FormUrlEncodedContent ToFormUrl(this EncryptedAuthorizationRespons
             { "response", response.ToString() }
         };
 
-        response.State.IfSome(state => content["state"] = state);
-
         return new FormUrlEncodedContent(content);
     }