Revert "Support runtime check of function types."

tests/language/function_subtype_bound_closure6_test.dart

Index: tests/language/function_subtype_bound_closure6_test.dart
diff --git a/tests/language/function_subtype_bound_closure6_test.dart b/tests/language/function_subtype_bound_closure6_test.dart
deleted file mode 100644
index 931e458782a326262bd6d754acfd10c37b0f4053..0000000000000000000000000000000000000000
--- a/tests/language/function_subtype_bound_closure6_test.dart
+++ /dev/null
@@ -1,43 +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 for bound closures on generic type against generic
-// typedefs.
-
-import 'package:expect/expect.dart';
-
-typedef int Foo<T>(T a, [String b]);
-typedef int Bar<T>(T a, [String b]);
-typedef int Baz<T>(T a, {String b});
-typedef int Boz<T>(T a);
-typedef int Biz<T>(T a, int b);
-
-class C<T> {
-  int foo(bool a, [String b]) => null;
-  int baz(bool a, {String b}) => null;
-
-  void test(String nameOfT, bool expectedResult) {
-    void localMethod() {
-      Expect.equals(expectedResult, foo is Foo<T>, 'foo is Foo<$nameOfT>');
-      Expect.equals(expectedResult, foo is Bar<T>, 'foo is Bar<$nameOfT>');
-      Expect.isFalse(foo is Baz<T>, 'foo is Baz<$nameOfT>');
-      Expect.equals(expectedResult, foo is Boz<T>, 'foo is Boz<$nameOfT>');
-      Expect.isFalse(foo is Biz<T>, 'foo is Biz<$nameOfT>');
-
-      Expect.isFalse(baz is Foo<T>, 'baz is Foo<$nameOfT>');
-      Expect.isFalse(baz is Bar<T>, 'baz is Bar<$nameOfT>');
-      Expect.equals(expectedResult, baz is Baz<T>, 'baz is Baz<$nameOfT>');
-      Expect.equals(expectedResult, baz is Boz<T>, 'baz is Boz<$nameOfT>');
-      Expect.isFalse(baz is Biz<T>, 'bar is Biz<$nameOfT>');
-    }
-    localMethod();
-  }
-}
-
-main() {
-  new C<bool>().test('bool', true);
-  new C<int>().test('int', false);
-  new C().test('dynamic', true);
-}