Remove --harmony-scoping flag.

test/mjsunit/es6/iteration-semantics.js

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-// Flags: --harmony-scoping --harmony-proxies
+// Flags: --harmony-proxies
 
 // Test for-of semantics.
 
 "use strict";
 
 
 // First, some helpers.
 
 function* values() {
   for (var i = 0; i < arguments.length; i++) {
@@ skipping 312 matching lines @@
   assertInstanceof(ex, TypeError);
   assertEquals(message, ex.message);
   assertArrayEquals([1, undefined], arr);
 }
 test_iterator_result_object_non_object(null);
 test_iterator_result_object_non_object(undefined);
 test_iterator_result_object_non_object(42);
 test_iterator_result_object_non_object('abc');
 test_iterator_result_object_non_object(false);
 test_iterator_result_object_non_object(Symbol('x'), 'Symbol(x)');