Remove support for legacy const, part 1

test/mjsunit/es6/block-let-contextual-sloppy.js

Index: test/mjsunit/es6/block-let-contextual-sloppy.js
diff --git a/test/mjsunit/es6/block-let-contextual-sloppy.js b/test/mjsunit/es6/block-let-contextual-sloppy.js
index 778e7be04f429887d4351a8bdbb8917698592871..ac7bca107eeec96fc2973a09cb563973c14d9d22 100644
--- a/test/mjsunit/es6/block-let-contextual-sloppy.js
+++ b/test/mjsunit/es6/block-let-contextual-sloppy.js
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-sloppy --harmony-sloppy-let --legacy-const
+// Flags: --harmony-sloppy --harmony-sloppy-let
 
-// let is usable as a variable with var or legacy const, not let or ES6 const
+// let is usable as a variable with var, but not let or ES6 const
 
 (function (){
   assertEquals(undefined, let);
@@ -49,13 +49,6 @@ assertThrows(function() { return let; }, ReferenceError);
   assertEquals(1, obj.x);
 })();
 
-(function () {
-  let obj = {};
-  const [let] = [function() { return obj; }];
-  let().x = 1;
-  assertEquals(1, obj.x);
-})();
-
 (function() {
   function let() {
     return 1;