- Remove arguments definition test from the VM.

tests/language/argument_definition5_test.dart

-// 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.
-
-import "package:expect/expect.dart";
-
-var x = "";
-
-test(String str, [onError(String)]) {
-  return (() {
-    try {
-      throw "";
-    } catch(e) {
-      if (?onError) {
-        onError(str);
-      } else {
-        x = "${str} error";
-      }
-    }
-  });
-}
-
-ignoreError(String str) {
-  x = "${str} error ignored";
-}
-
-main() {
-  Expect.equals("", x);
-  test("test")();
-  Expect.equals("test error", x);
-  test("test", ignoreError)();
-  Expect.equals("test error ignored", x);
-}