Remove the old index.

pkg/analysis_server/test/analysis/notification_implemented_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_constants.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
-import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../analysis_abstract.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(AnalysisNotificationImplementedTest);
   });
@@ skipping 65 matching lines @@
       fail('No notification of impemented members was received');
     }
     for (ImplementedMember member in implementedMembers) {
       if (member.offset == offset) {
         fail('Unexpected implemented member at $offset'
             ' in $implementedMembers');
       }
     }
   }
 
-  @override
-  Index createIndex() {
-    return createMemoryIndex();
-  }
-
   /**
    * Subscribe for `IMPLEMENTED` and wait for the notification.
    */
   Future prepareImplementedElements() {
     subscribeForImplemented();
     return waitForImplementedElements();
   }
 
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_NOTIFICATION_IMPLEMENTED) {
@@ skipping 318 matching lines @@
       if (times == 0 || implementedClasses != null) {
         return new Future.value();
       }
       return new Future.delayed(
           new Duration(milliseconds: 1), () => waitForNotification(times - 1));
     }
 
     return waitForNotification(30000);
   }
 }