Remove runtime flags for Proxy and Reflect

test/mjsunit/harmony/regress/regress-crbug-461520.js

Index: test/mjsunit/harmony/regress/regress-crbug-461520.js
diff --git a/test/mjsunit/harmony/regress/regress-crbug-461520.js b/test/mjsunit/harmony/regress/regress-crbug-461520.js
deleted file mode 100644
index 7ef9e2052055c16b549e9f936a5d6c02bb4b8a58..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/regress/regress-crbug-461520.js
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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-proxies
-
-var fuse = 1;
-
-var handler = {
-  get: function() { return function() {} },
-  has() { return true },
-  getOwnPropertyDescriptor: function() {
-    if (fuse-- == 0) throw "please die";
-    return {value: function() {}, configurable: true};
-  }
-};
-
-var p = new Proxy({}, handler);
-var o = Object.create(p);
-with (o) { f() }