remove unused analysis server flag

pkg/analysis_server/lib/src/server/driver.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 'dart:io';
 import 'dart:math';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
@@ skipping 217 matching lines @@
    * console instead of being intercepted.
    */
   static const String INTERNAL_PRINT_TO_CONSOLE = "internal-print-to-console";
 
   /**
    * The name of the option used to describe the new analysis driver logger.
    */
   static const String NEW_ANALYSIS_DRIVER_LOG = 'new-analysis-driver-log';
 
   /**
-   * The name of the option used to enable verbose Flutter completion code generation.
-   */
-  static const String VERBOSE_FLUTTER_COMPLETIONS =
-      'verbose-flutter-completions';
-
-  /**
    * The name of the flag used to enable version 2 of semantic highlight
    * notification.
    */
   static const String USE_ANALYSIS_HIGHLIGHT2 = "useAnalysisHighlight2";
 
   /**
    * The option for specifying the http diagnostic port.
    * If specified, users can review server status and performance information
    * by opening a web browser on http://localhost:<port>
    */
@@ skipping 53 matching lines @@
     ArgResults results = parser.parse(arguments, <String, String>{});
 
     AnalysisServerOptions analysisServerOptions = new AnalysisServerOptions();
     analysisServerOptions.useAnalysisHighlight2 =
         results[USE_ANALYSIS_HIGHLIGHT2];
     analysisServerOptions.fileReadMode = results[FILE_READ_MODE];
     analysisServerOptions.newAnalysisDriverLog =
         results[NEW_ANALYSIS_DRIVER_LOG];
     analysisServerOptions.clientId = results[CLIENT_ID];
     analysisServerOptions.clientVersion = results[CLIENT_VERSION];
-    analysisServerOptions.enableVerboseFlutterCompletions =
-        results[VERBOSE_FLUTTER_COMPLETIONS];
 
     ContextBuilderOptions.flutterRepo = results[FLUTTER_REPO];
 
     telemetry.Analytics analytics = telemetry.createAnalyticsInstance(
         'UA-26406144-29', 'analysis-server',
         disableForSession: results[SUPPRESS_ANALYTICS_FLAG]);
     analysisServerOptions.analytics = analytics;
 
     if (analysisServerOptions.clientId != null) {
       // Record the client name as the application installer ID.
@@ skipping 175 matching lines @@
         defaultsTo: false,
         negatable: false);
     parser.addOption(INSTRUMENTATION_LOG_FILE,
         help: "write instrumentation data to the given file");
     parser.addFlag(INTERNAL_PRINT_TO_CONSOLE,
         help: "enable sending `print` output to the console",
         defaultsTo: false,
         negatable: false);
     parser.addOption(NEW_ANALYSIS_DRIVER_LOG,
         help: "set a destination for the new analysis driver's log");
-    parser.addFlag(VERBOSE_FLUTTER_COMPLETIONS,
-        help: "enable verbose code completion for Flutter (experimental)");
     parser.addFlag(ANALYTICS_FLAG,
         help: 'enable or disable sending analytics information to Google');
     parser.addFlag(SUPPRESS_ANALYTICS_FLAG,
         negatable: false, help: 'suppress analytics for this session');
     parser.addOption(PORT_OPTION,
         help: "the http diagnostic port on which the server provides"
             " status and performance information");
     parser.addOption(SDK_OPTION, help: "[path] the path to the sdk");
     parser.addFlag(USE_ANALYSIS_HIGHLIGHT2,
         help: "enable version 2 of semantic highlight",
@@ skipping 100 matching lines @@
 
   _DiagnosticServerImpl();
 
   @override
   Future<int> getServerPort() => httpServer.serveHttp();
 
   Future startOnPort(int port) {
     return httpServer.serveHttp(port);
   }
 }