Revert "Implement ES6 symbol registry and predefined symbols"

test/mjsunit/harmony/private.js

Index: test/mjsunit/harmony/private.js
diff --git a/test/mjsunit/harmony/private.js b/test/mjsunit/harmony/private.js
index a14afe04e5f90fc5691c00311c6b63793c3b1204..9c9bf2c14fe78d366900d58a3659306605fb8bf8 100644
--- a/test/mjsunit/harmony/private.js
+++ b/test/mjsunit/harmony/private.js
@@ -328,17 +328,3 @@ function TestCachedKeyAfterScavenge() {
   }
 }
 TestCachedKeyAfterScavenge();
-
-
-function TestGetOwnPropertySymbols() {
-  var privateSymbol = %CreatePrivateSymbol("private")
-  var publicSymbol = Symbol()
-  var publicSymbol2 = Symbol()
-  var obj = {}
-  obj[publicSymbol] = 1
-  obj[privateSymbol] = 2
-  obj[publicSymbol2] = 3
-  var syms = Object.getOwnPropertySymbols(obj)
-  assertEquals(syms, [publicSymbol, publicSymbol2])
-}
-TestGetOwnPropertySymbols()