remove some stuff

lib/entities/contact.dart

@@ -1,4 +1,3 @@
-
 class Contact {
   String name;
   String publicKey;
@@ -19,78 +18,3 @@ class Contact {
     };
   }
 }
-
-// // Synchronize the app state contact list with the internal one
-// void sortAndStoreAppStateContactList(List<dynamic> ffasContactList) {
-//   ffasContactList.sortBy((element) => element["name"] as String);
-//   FFAppState().update(() {
-//     FFAppState().ContactList = ffasContactList;
-//   });
-// }
-
-// // Called when a new contact is added or an existing one is edited
-// Future<String> vcsUpdateContact(
-//   String id,
-//   String name,
-//   String publicKey,
-// ) async {
-//   var api = Veilid.instance;
-//   try {
-//     // if we are adding a new contact, make its id
-//     var newContact = false;
-//     if (id.isEmpty) {
-//       id = const Uuid().v4();
-//       newContact = true;
-//     }
-
-//     // Trim name
-//     name = name.trim();
-
-//     // Validate name and public key
-//     if (name.length > 127) {
-//       return "Name is too long.";
-//     }
-//     if (name.isEmpty) {
-//       return "Name can not be empty";
-//     }
-//     if (!isValidDHTKey(publicKey)) {
-//       return "Public key is not valid";
-//     }
-
-//     // update entry in internal contacts table
-//     var contactsDb = await api.openTableDB("contacts", 1);
-//     var contact = Contact(name, publicKey);
-//     await contactsDb.storeStringJson(0, id, contact);
-
-//     // update app state
-//     var contactJson = contact.toJson();
-//     contactJson['id'] = id;
-
-//     var ffasContactList = FFAppState().ContactList;
-//     if (newContact) {
-//       // Add new contact
-//       ffasContactList.add(contactJson);
-//     } else {
-//       // Update existing contact
-//       ffasContactList.forEachIndexedWhile((i, e) {
-//         if (e['id'] == id) {
-//           ffasContactList[i] = contactJson;
-//           return false;
-//         }
-//         return true;
-//       });
-//     }
-
-//     // Sort the contact list
-//     sortAndStoreAppStateContactList(ffasContactList);
-//   } catch (e) {
-//     return e.toString();
-//   }
-
-//   return "";
-// }
-
-// // Called when a contact is to be removed
-// Future<void> vcsDeleteContact(String id) async {
-//   //
-// }