Remove runtime flags for Proxy and Reflect

test/mjsunit/harmony/object-entries.js

 // Copyright 2016 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-object-values-entries --harmony-proxies --harmony-reflect
+// Flags: --harmony-object-values-entries
 // Flags: --allow-natives-syntax
 
 function TestMeta() {
   assertEquals(1, Object.entries.length);
   assertEquals(Function.prototype, Object.getPrototypeOf(Object.entries));
   assertEquals("entries", Object.entries.name);
 
   var descriptor = Object.getOwnPropertyDescriptor(Object, "entries");
   assertTrue(descriptor.writable);
   assertFalse(descriptor.enumerable);
@@ skipping 224 matching lines @@
       Object.defineProperty(this, "b", { enumerable: true });
       return 1;
     },
     enumerable: true
   });
   Object.defineProperty(aMakesBEnumerable, "b", {
       value: 2, configurable:true, enumerable: false });
   assertEquals([ [ "a", 1 ], [ "b", 2 ] ], Object.entries(aMakesBEnumerable));
 }
 TestMutateDuringEnumeration();