Remove on-by-default flag --harmony-object

test/mjsunit/es6/object-assign.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-object
-
 // Based on Mozilla Object.assign() tests
 
 function checkDataProperty(object, propertyKey, value, writable, enumerable, configurable) {
   var desc = Object.getOwnPropertyDescriptor(object, propertyKey);
   assertFalse(desc === undefined);
   assertTrue('value' in desc);
   assertEquals(desc.value, value);
   assertEquals(desc.writable, writable);
   assertEquals(desc.enumerable, enumerable);
   assertEquals(desc.configurable, configurable);
@@ skipping 116 matching lines @@
   var ErrorB = function ErrorB() {};
   var log = "";
   var source = { b: 1, a: 1 };
   var target = {
       set a(v) { log += "a"; throw new ErrorA },
       set b(v) { log += "b"; throw new ErrorB },
   };
   assertThrows(function() { return Object.assign(target, source); }, ErrorB);
   assertEquals(log, "b");
 })();