[modules] Remove @@iterator on namespace objects.

test/mjsunit/modules-namespace1.js

Index: test/mjsunit/modules-namespace1.js
diff --git a/test/mjsunit/modules-namespace1.js b/test/mjsunit/modules-namespace1.js
index 29ade5d0957b74632305b76d94362b4dde675e7e..6f0876aa195ce0f5c3bb74f1319e19c597e9fb10 100644
--- a/test/mjsunit/modules-namespace1.js
+++ b/test/mjsunit/modules-namespace1.js
@@ -22,8 +22,7 @@ assertTrue(Reflect.setPrototypeOf(foo, null));
 assertFalse(Reflect.setPrototypeOf(foo, {}));
 assertSame(null, Reflect.getPrototypeOf(foo));
 assertEquals(
-    ["bla", "foo_again", "yo", Symbol.toStringTag, Symbol.iterator],
-    Reflect.ownKeys(foo));
+    ["bla", "foo_again", "yo", Symbol.toStringTag], Reflect.ownKeys(foo));
 
 // Its "yo" property.
 assertEquals(
@@ -50,40 +49,6 @@ assertEquals(
     {value: "Module", configurable: true, writable: false, enumerable: false},
     Reflect.getOwnPropertyDescriptor(foo, Symbol.toStringTag));
 
-// Its @@iterator property.
-assertTrue(Reflect.has(foo, Symbol.iterator));
-assertEquals("function", typeof Reflect.get(foo, Symbol.iterator));
-assertEquals("[Symbol.iterator]", foo[Symbol.iterator].name);
-assertEquals(0, foo[Symbol.iterator].length);
-assertSame(Function.prototype, foo[Symbol.iterator].__proto__);
-assertEquals(
-    {value: foo[Symbol.iterator],
-     configurable: true, writable: true, enumerable: false},
-    Reflect.getOwnPropertyDescriptor(foo, Symbol.iterator));
-assertEquals(["bla", "foo_again", "yo"], [...foo]);
-assertThrows(() => (42, foo[Symbol.iterator])(), TypeError);
-{
-  let it = foo[Symbol.iterator]();
-  assertSame(it.__proto__, ([][Symbol.iterator]()).__proto__.__proto__);
-  assertEquals(["next"], Reflect.ownKeys(it));
-  assertEquals(
-      {value: it.next, configurable: true, writable: true, enumerable: false},
-      Reflect.getOwnPropertyDescriptor(it, "next"));
-  assertEquals("function", typeof it.next);
-  assertEquals("next", it.next.name);
-  assertEquals(0, it.next.length);
-  assertSame(Function.prototype, it.next.__proto__);
-  assertFalse(it === foo[Symbol.iterator]());
-  assertFalse(it.next === foo[Symbol.iterator]().next);
-  assertThrows(() => (42, it.next)(), TypeError);
-  assertThrows(() => it.next.call(foo[Symbol.iterator]()), TypeError);
-  let next = it.next;
-  assertEquals(42, (it.next = 42, it.next));
-  assertEquals(43, (it.bla = 43, it.bla));
-  assertTrue(delete it.next);
-  assertThrows(() => next.call(foo[Symbol.iterator]()), TypeError);
-}
-
 // TODO(neis): Clarify spec w.r.t. other symbols.
 
 // Nonexistant properties.