Remove old index and search implementations.

pkg/analysis_server/test/services/index2/test_all.dart

Index: pkg/analysis_server/test/services/index2/test_all.dart
diff --git a/pkg/analysis_server/test/services/index2/test_all.dart b/pkg/analysis_server/test/services/index2/test_all.dart
deleted file mode 100644
index ebc17d69d509ad86abf7f4689270c18db64987bd..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/test/services/index2/test_all.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2016, 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 'package:unittest/unittest.dart';
-
-import '../../utils.dart';
-import 'index2_test.dart' as index_test;
-
-/**
- * Utility for manually running all tests.
- */
-main() {
-  initializeTestEnvironment();
-  group('index', () {
-    index_test.main();
-  });
-}