Remove old index and search implementations.

pkg/analysis_server/test/services/index/local_file_index_test.dart

Index: pkg/analysis_server/test/services/index/local_file_index_test.dart
diff --git a/pkg/analysis_server/test/services/index/local_file_index_test.dart b/pkg/analysis_server/test/services/index/local_file_index_test.dart
deleted file mode 100644
index a92a22f582a5bab5ceba51e3d61b333e5ec6adfe..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/test/services/index/local_file_index_test.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-library test.services.src.index.local_file_index;
-
-import 'package:analysis_server/src/services/index/index.dart';
-import 'package:analysis_server/src/services/index/local_file_index.dart';
-import 'package:unittest/unittest.dart';
-
-import '../../utils.dart';
-
-main() {
-  initializeTestEnvironment();
-  test('createLocalFileIndex', () {
-    Index index = createLocalFileIndex();
-    expect(index, isNotNull);
-    index.clear();
-  });
-}