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

compiler/lib/corelib_impl.dart

Index: compiler/lib/corelib_impl.dart
diff --git a/compiler/lib/corelib_impl.dart b/compiler/lib/corelib_impl.dart
deleted file mode 100644
index ba2a7f9083910bd3ca970d843d6354293eff811f..0000000000000000000000000000000000000000
--- a/compiler/lib/corelib_impl.dart
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env dart
-// 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.
-
-#library("corelib_impl");
-
-#source("implementation/core.dart");
-#source("implementation/array.dart");
-#source("implementation/arrays.dart");
-#source("implementation/bool.dart");
-#source("implementation/collections.dart");
-#source("implementation/date_implementation.dart");
-#source("implementation/math_natives.dart");
-#source("implementation/number.dart");
-#source("implementation/regexp.dart");
-#source("implementation/string.dart");
-#source("implementation/string_base.dart");
-#source("implementation/string_buffer.dart");
-#source("implementation/time_zone_implementation.dart");
-#source("src/implementation/dual_pivot_quicksort.dart");
-#source("src/implementation/duration_implementation.dart");
-#source("src/implementation/exceptions.dart");
-#source("src/implementation/future_implementation.dart");
-#source("src/implementation/hash_map_set.dart");
-#source("src/implementation/linked_hash_map.dart");
-#source("src/implementation/maps.dart");
-#source("src/implementation/queue.dart");
-#source("src/implementation/stopwatch_implementation.dart");
-#source("src/implementation/splay_tree.dart");
-
-#native("implementation/array.js");
-#native("implementation/bool.js");
-#native("implementation/core.js");
-#native("implementation/date_implementation.js");
-#native("implementation/isolate.js");
-#native("implementation/math_natives.js");
-#native("implementation/number.js");
-#native("implementation/object.js");
-#native("implementation/print.js");
-#native("implementation/regexp.js");
-#native("implementation/rtt.js");
-#native("implementation/string.js");