Remove more libraries directives from server

pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart

Index: pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart
diff --git a/pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart b/pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart
index d2159d227429e29a687d30c9dbc4eb858fff0e86..9ff487e9819817ac48b8d1c409cffddc74de5ff0 100644
--- a/pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart
+++ b/pkg/analysis_server/lib/plugin/edit/fix/fix_dart.dart
@@ -2,8 +2,6 @@
 // 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 analysis_server.plugin.edit.fix.fix_dart;
-
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';