Workaround VM issue with library tags in builtin libraries.

lib/compiler/implementation/lib/scalarlist.dart

Index: lib/compiler/implementation/lib/scalarlist.dart
diff --git a/lib/compiler/implementation/lib/scalarlist.dart b/lib/compiler/implementation/lib/scalarlist.dart
deleted file mode 100644
index 056cc5ce04112a77775329c3d9cde79b75d33381..0000000000000000000000000000000000000000
--- a/lib/compiler/implementation/lib/scalarlist.dart
+++ /dev/null
@@ -1,19 +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.
-
-// This is a copy of the VM's dart:scalarlist library. This API is not
-// usable when running inside a web browser. Nevertheless, we
-// provide a mock version of the dart:scalarlist so that we can
-// statically analyze programs that use dart:scalarlist.
-
-/**
- * The scalarlist library is used for Dart server applications,
- * which run on a stand-alone Dart VM from the command line.
- * *This library does not work in browser based applications.*
- *
- * This library allows you to work with arrays of scalar values
- * of various sizes.
- */
-#library("dart:scalarlist");
-#source("../../../scalarlist/scalarlist.dart");