Rationalize Dart mojo and sky package structure

mojo/public/dart/bindings.dart

Index: mojo/public/dart/bindings.dart
diff --git a/mojo/public/dart/bindings.dart b/mojo/public/dart/bindings.dart
deleted file mode 100644
index 34478749818822817bc125dba2e03ff5f5e10951..0000000000000000000000000000000000000000
--- a/mojo/public/dart/bindings.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-library bindings;
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:typed_data';
-
-import 'package:mojo/public/dart/core.dart' as core;
-import 'package:mojom/mojo/interface_control_messages.mojom.dart' as icm;
-
-part 'src/control_message.dart';
-part 'src/codec.dart';
-part 'src/message.dart';
-part 'src/proxy.dart';
-part 'src/struct.dart';
-part 'src/stub.dart';