Remove runtime flags for Proxy and Reflect

test/mjsunit/es6/proxies-global-reference.js

Index: test/mjsunit/es6/proxies-global-reference.js
diff --git a/test/mjsunit/harmony/proxies-global-reference.js b/test/mjsunit/es6/proxies-global-reference.js
similarity index 93%
rename from test/mjsunit/harmony/proxies-global-reference.js
rename to test/mjsunit/es6/proxies-global-reference.js
index 1b77e66fdf3eb8822a426bd8d7f1482ef31a287c..975d7f75fb27a87a719277ba386d192a103bfa36 100644
--- a/test/mjsunit/harmony/proxies-global-reference.js
+++ b/test/mjsunit/es6/proxies-global-reference.js
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-proxies
-
 var failing_proxy = new Proxy({}, new Proxy({}, {
   get() { throw "No trap should fire" }}));