Removed fixed dependencies

packages/analyzer/lib/source/package_map_resolver.dart

Index: packages/analyzer/lib/source/package_map_resolver.dart
diff --git a/packages/analyzer/lib/source/package_map_resolver.dart b/packages/analyzer/lib/source/package_map_resolver.dart
index 0fa12ae05c2ab484894a89dffcb0fac6ec881852..056016fc32418d7c8833d6edd6b32a196c129d80 100644
--- a/packages/analyzer/lib/source/package_map_resolver.dart
+++ b/packages/analyzer/lib/source/package_map_resolver.dart
@@ -2,9 +2,9 @@
 // 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 source.package_map_resolver;
+library analyzer.source.package_map_resolver;
 
-import 'dart:core' hide Resource;
+import 'dart:core';
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/generated/source.dart';