fixup

- move Object.prototype.__proto__ tests to annexB
- remove RegExp.prototype.unicode name test

test/built-ins/RegExp/prototype/unicode/name.js

-// Copyright (C) 2015 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: 21.2.5.17
-description: >
-  RegExp.prototype.unicode name
-info: >
-  17 ECMAScript Standard Built-in Objects
-
-  Functions that are specified as get or set accessor functions of built-in
-  properties have "get " or "set " prepended to the property name string.
-includes: [propertyHelper.js]
----*/
-
-var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'unicode');
-
-assert.sameValue(
-  descriptor.get.name,
-  'get unicode'
-);
-
-verifyNotEnumerable(descriptor.get, 'name');
-verifyNotWritable(descriptor.get, 'name');
-verifyConfigurable(descriptor.get, 'name');