Revert "Compute frontend/backend specific constants."

tests/language/const_switch2_test.dart

Index: tests/language/const_switch2_test.dart
diff --git a/tests/language/const_switch2_test.dart b/tests/language/const_switch2_test.dart
deleted file mode 100644
index 73728999353c1586d45a293b29d14a5b8744d86c..0000000000000000000000000000000000000000
--- a/tests/language/const_switch2_test.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2014, 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.
-
-import 'package:expect/expect.dart';
-
-int main() {
-  var a = [1,2,3][2];
-  switch (a) {
-    case 0.0:            /// 01: compile-time error
-      print("illegal");  /// 01: continued
-    case 1:
-      print("OK");
-  }
-}