Removed fixed dependencies

packages/isolate/lib/isolate.dart

Index: packages/isolate/lib/isolate.dart
diff --git a/packages/isolate/lib/isolate.dart b/packages/isolate/lib/isolate.dart
new file mode 100644
index 0000000000000000000000000000000000000000..268a232eba9c9d07fa0a401d4a0eceb4f8f34ea1
--- /dev/null
+++ b/packages/isolate/lib/isolate.dart
@@ -0,0 +1,12 @@
+// 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.
+
+/// Utilities for working with isolates and isolate communication.
+library isolate;
+
+export 'isolate_runner.dart';
+export 'load_balancer.dart';
+export 'ports.dart';
+export 'registry.dart';
+export 'runner.dart';