Migrate block 163 to Dart 2.0.

tests/language_strong/unsupported_operators_test.dart

Index: tests/language_strong/unsupported_operators_test.dart
diff --git a/tests/language_strong/unsupported_operators_test.dart b/tests/language_strong/unsupported_operators_test.dart
deleted file mode 100644
index e9add7ba5d29b89baed3a5f8613b62c4b843fd70..0000000000000000000000000000000000000000
--- a/tests/language_strong/unsupported_operators_test.dart
+++ /dev/null
@@ -1,29 +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.
-
-// Test handling of unsupported operators.
-
-library unsupported_operators;
-
-class C {
-  m() {
-    print(
-          super === //# 01: compile-time error
-        null);
-    print(
-          super !== //# 02: compile-time error
-        null);
-  }
-}
-
-void main() {
-  new C().m();
-  new C().m();
-  print(
-        "foo" === //# 03: compile-time error
-      null);
-  print(
-        "foo" !== //# 04: compile-time error
-      null);
-}