Remove flags for spread calls and arrays

test/mjsunit/strong/literals.js

 // Copyright 2015 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: --strong-mode --allow-natives-syntax
 // Flags: --harmony-rest-parameters
-// Flags: --harmony-destructuring --harmony-spread-arrays
+// Flags: --harmony-destructuring
 
 'use strict';
 
 (function WeakObjectLiterals() {
   function assertWeakObject(x) {
     assertFalse(%IsStrong(x));
     assertSame(Object.prototype, Object.getPrototypeOf(x));
   }
   assertWeakObject({});
   assertWeakObject({a: 0, b: 0});
@@ skipping 265 matching lines @@
 })();
 
 (function StrongRegExpLiterals() {
   'use strong';
   function assertStrongRegExp(x) {
     // TODO(rossberg): strongify regexps
     // assertTrue(%IsStrong(x));
   }
   assertStrongRegExp(/abc/);
 })();