Revert of ES6 computed property names

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index a05c6dbc0eabb55aee1191238f54775836df788c..617644c49efbf5199a24ad66ca7fc2ed1ce34b77 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -1605,35 +1605,5 @@
   if (!obj->IsJSReceiver()) return isolate->heap()->null_value();
   return JSReceiver::cast(obj)->class_name();
 }
-
-
-RUNTIME_FUNCTION(Runtime_DefineGetterPropertyUnchecked) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, getter, 2);
-
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate,
-      JSObject::DefineAccessor(object, name, getter,
-                               isolate->factory()->null_value(), NONE));
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_DefineSetterPropertyUnchecked) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, setter, 2);
-
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate,
-      JSObject::DefineAccessor(object, name, isolate->factory()->null_value(),
-                               setter, NONE));
-  return isolate->heap()->undefined_value();
-}
 }
 }  // namespace v8::internal