Revert "Support runtime check of function types."

tests/language/function_subtype_factory1_test.dart

Index: tests/language/function_subtype_factory1_test.dart
diff --git a/tests/language/function_subtype_factory1_test.dart b/tests/language/function_subtype_factory1_test.dart
deleted file mode 100644
index 2ad4d35862f1cf76ced2ab2d154a97f96181ed5d..0000000000000000000000000000000000000000
--- a/tests/language/function_subtype_factory1_test.dart
+++ /dev/null
@@ -1,35 +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.
-// Dart test program for constructors and initializers.
-
-// Check function subtyping with type variables in factory constructors.
-
-import 'package:expect/expect.dart';
-
-class C<T> {
-  factory C(void foo(T t)) => new C.internal();
-  C.internal();
-}
-
-void method(String s) {}
-
-void main() {
-  Expect.isNotNull(new C<String>(method));
-  try {
-    new C<bool>(method);
-    Expect.isFalse(isCheckedMode());
-  } catch (e) {
-    Expect.isTrue(isCheckedMode());
-  }
-}
-
-isCheckedMode() {
-  try {
-    var i = 1;
-    String s = i;
-    return false;
-  } catch (e) {
-    return true;
-  }
-}