Remove --harmony-scoping flag.

test/mjsunit/harmony/regress/regress-2858.js

Index: test/mjsunit/harmony/regress/regress-2858.js
diff --git a/test/mjsunit/harmony/regress/regress-2858.js b/test/mjsunit/harmony/regress/regress-2858.js
deleted file mode 100644
index 4ce9478497f3b9d5ac333337afdd9884fabcd1c0..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/regress/regress-2858.js
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2014 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-scoping
-"use strict";
-
-function f() {
-    var y = 1;
-    var q1;
-    var q;
-    var z = new Error();
-    try {
-        throw z;
-    } catch (y) {
-      assertTrue(z === y);
-      q1 = function() { return y; }
-      var y = 15;
-      q = function() { return y; }
-      assertSame(15, y);
-    }
-    assertSame(1, y);
-    assertSame(15, q1());
-    assertSame(15, q());
-}
-
-f();