Revert of Implement symbol @@hasInstance for ES6 instanceof support.

test/mjsunit/es6/hasinstance-symbol.js

Index: test/mjsunit/es6/hasinstance-symbol.js
diff --git a/test/mjsunit/es6/hasinstance-symbol.js b/test/mjsunit/es6/hasinstance-symbol.js
deleted file mode 100644
index 6783d8deef6c6990916297299c19e5f99fe642df..0000000000000000000000000000000000000000
--- a/test/mjsunit/es6/hasinstance-symbol.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2016 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Verify that the hasInstance symbol is installed on function prototype.
-// Test262 makes deeper tests.
-
-(function TestHasInstance() {
-  var a = Array();
-  assertTrue(Array[Symbol.hasInstance](a));
-  assertFalse(Function.prototype[Symbol.hasInstance].call());
-})();