unfork DDC's copy of most SDK libraries

pkg/dev_compiler/tool/input_sdk/lib/core/type.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/core/type.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/core/type.dart b/pkg/dev_compiler/tool/input_sdk/lib/core/type.dart
deleted file mode 100644
index d2e107b6b183f9f674dfba4e7138c195a2d69c19..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/tool/input_sdk/lib/core/type.dart
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright (c) 2012, 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.
-
-part of dart.core;
-
-/**
- * Runtime representation of a type.
- */
-abstract class Type {}