Delete --harmony-computed-property-names flag

test/mjsunit/harmony/computed-property-names-deopt.js

-// Copyright 2014 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.
-
-// Flags: --harmony-computed-property-names --allow-natives-syntax
-
-
-(function TestProtoDeopt() {
-  var proto = {};
-
-  function deoptMe() {
-    %DeoptimizeFunction(f);
-    return proto;
-  }
-
-  function checkObject(name, value, o) {
-    assertSame(proto, Object.getPrototypeOf(o));
-    assertTrue(o.hasOwnProperty(name));
-    assertEquals(value, o[name]);
-  }
-
-  function f(name, value) {
-    return { [name]: value, __proto__: deoptMe() };
-  }
-
-  checkObject("a", 1, f("a", 1));
-  checkObject("b", 2, f("b", 2));
-  %OptimizeFunctionOnNextCall(f);
-  checkObject("c", 3, f("c", 3));
-})();