TF-548 Inject TmailContactDataSource in composer of TMail

lib/features/composer/data/datasource_impl/composer_datasource_impl.dart

@@ -1,4 +1,3 @@
-import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:model/model.dart';
 import 'package:tmail_ui_user/features/composer/data/datasource/composer_datasource.dart';
 import 'package:tmail_ui_user/features/composer/data/network/composer_api.dart';
@@ -9,11 +8,6 @@ class ComposerDataSourceImpl extends ComposerDataSource {
 
   ComposerDataSourceImpl(this._composerAPI);
 
-  @override
-  Future<bool> saveEmailAddresses(List<EmailAddress> listEmailAddress) {
-    throw UnimplementedError();
-  }
-
   @override
   Future<Attachment> uploadAttachment(UploadRequest uploadRequest) {
     return Future.sync(() async {