Remove old index and search implementations.

pkg/analysis_server/lib/src/socket_server.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.
 
 library socket.server;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/channel/channel.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analysis_server/src/services/index/index.dart';
-import 'package:analysis_server/src/services/index/local_file_index.dart';
-import 'package:analysis_server/src/services/index2/index2.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
 import 'package:analyzer/plugin/embedded_resolver_provider.dart';
 import 'package:analyzer/plugin/resolver_provider.dart';
 import 'package:analyzer/source/pub_package_map_provider.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:plugin/plugin.dart';
 
 /**
@@ skipping 57 matching lines @@
     } else if (analysisServerOptions.fileReadMode == 'normalize-eol-always') {
       resourceProvider = new PhysicalResourceProvider(
           PhysicalResourceProvider.NORMALIZE_EOL_ALWAYS);
     } else {
       throw new Exception(
           'File read mode was set to the unknown mode: $analysisServerOptions.fileReadMode');
     }
 
     Index index = null;
     if (!analysisServerOptions.noIndex) {
-      index = createLocalFileIndex();
-      index.contributors = serverPlugin.indexContributors;
-      index.run();
+      index = createMemoryIndex();
     }
 
-    Index2 index2 = createMemoryIndex2();
-
     analysisServer = new AnalysisServer(
         serverChannel,
         resourceProvider,
         new PubPackageMapProvider(resourceProvider, defaultSdk),
         index,
-        index2,
         serverPlugin,
         analysisServerOptions,
         defaultSdkCreator,
         instrumentationService,
         packageResolverProvider: packageResolverProvider,
         embeddedResolverProvider: embeddedResolverProvider,
         rethrowExceptions: false);
     analysisServer.userDefinedPlugins = userDefinedPlugins;
   }
 }