Use native async/await support in pub.

sdk/lib/_internal/pub_generated/lib/src/command/global.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/global.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/global.dart b/sdk/lib/_internal/pub_generated/lib/src/command/global.dart
deleted file mode 100644
index c2ddfd8e3bdf110836d97aed551931e75cb6b01b..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/command/global.dart
+++ /dev/null
@@ -1,25 +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 pub.command.global;
-
-import '../command.dart';
-import 'global_activate.dart';
-import 'global_deactivate.dart';
-import 'global_list.dart';
-import 'global_run.dart';
-
-/// Handles the `global` pub command.
-class GlobalCommand extends PubCommand {
-  String get name => "global";
-  String get description => "Work with global packages.";
-  String get invocation => "pub global <subcommand>";
-
-  GlobalCommand() {
-    addSubcommand(new GlobalActivateCommand());
-    addSubcommand(new GlobalDeactivateCommand());
-    addSubcommand(new GlobalListCommand());
-    addSubcommand(new GlobalRunCommand());
-  }
-}