unfork DDC's copy of most SDK libraries

pkg/dev_compiler/tool/input_sdk/lib/internal/print.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/internal/print.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/internal/print.dart b/pkg/dev_compiler/tool/input_sdk/lib/internal/print.dart
deleted file mode 100644
index c3e23b827cca10ed69a444ba1fffc33a10f9767e..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/tool/input_sdk/lib/internal/print.dart
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2013, 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._internal;
-
-/**
- * This function is set by the first allocation of a Zone.
- *
- * Once the function is set the core `print` function calls this closure instead
- * of [printToConsole].
- *
- * This decouples the core library from the async library.
- */
-Function printToZone = null;
-
-external void printToConsole(String line);