Remove [[Enumerate]] leftovers.

test/mjsunit/harmony/proxies-example-membrane.js

Index: test/mjsunit/harmony/proxies-example-membrane.js
diff --git a/test/mjsunit/harmony/proxies-example-membrane.js b/test/mjsunit/harmony/proxies-example-membrane.js
index 72ab092a884b3e154baa0ddaa42f3447f2a672e0..9cfb105fd7bfb0a9525ad6ceff16c89ebcd8d078 100644
--- a/test/mjsunit/harmony/proxies-example-membrane.js
+++ b/test/mjsunit/harmony/proxies-example-membrane.js
@@ -75,11 +75,6 @@ function createHandler(obj) {
       obj[name] = val;  // bad behavior when set fails in sloppy mode
       return true;
     },
-    enumerate: function() {
-      var result = [];
-      for (var name in obj) { result.push(name); };
-      return result;
-    },
     keys: function() { return Object.keys(obj); }
   };
 }