Remove more libraries directives from server

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

 // Copyright (c) 2015, 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 analysis_server.plugin.edit.fix.fix_dart;
-
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/src/services/correction/fix_internal.dart'
     show DartFixContextImpl;
 import 'package:analysis_server/src/services/correction/namespace.dart'
     show getExportedElement;
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/dart/analysis/ast_provider_context.dart';
@@ skipping 99 matching lines @@
         if (topLevelKind != null) {
           bool isExported = element.librarySource != librarySource;
           declarations.add(new TopLevelDeclarationInSource(librarySource,
               new TopLevelDeclaration(topLevelKind, element.name), isExported));
         }
       }
       return declarations;
     };
   }
 }