Include Harmony Array/TypedArray methods unconditionally

test/mjsunit/es6/typedarray-iteration.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: --harmony-arrays
-
 // Tests for standard TypedArray array iteration functions.
 
 var typedArrayConstructors = [
   Uint8Array,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
   Int32Array,
   Uint8ClampedArray,
@@ skipping 170 matching lines @@
     // Shadowing the length property doesn't change anything
     a = new constructor([1, 2]);
     Object.defineProperty(a, 'length', { value: 1 });
     assertEquals(true, a.some(function(elt) { return elt == 2; }));
     assertEquals(false, Array.prototype.some.call(a, function(elt) {
       return elt == 2;
     }));
   })();
 
 }