Removes dartc reliance on its own libraries, now can be targeted at any implementation's libraries

compiler/lib/implementation/bool.js

Index: compiler/lib/implementation/bool.js
diff --git a/compiler/lib/implementation/bool.js b/compiler/lib/implementation/bool.js
deleted file mode 100644
index 7f7c08faabbf4d38cba5a5ee72631c82450dff58..0000000000000000000000000000000000000000
--- a/compiler/lib/implementation/bool.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2011, 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.
-
-function native_BoolImplementation_EQ(other) {
-  throw Error('UNREACHABLE');
-}
-
-function native_BoolImplementation_toString() {
-  return this.toString();
-}
-
-function native_BoolImplementation_toBool() {
-  return this == true;
-}