Revert of Hook up more import/exports in natives.

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 6060ea46aa04e24fc2c48bcad5e84f93bb094717..30c6755b42deda493e429ab90cff06d9f173ff68 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1524,8 +1524,7 @@
       isolate->factory()->NewStringFromAsciiChecked(name);
   Handle<Object> fun = JSObject::GetDataProperty(utils, name_string);
   Handle<Object> receiver = isolate->factory()->undefined_value();
-  Handle<Object> args[] = {utils};
-  return !Execution::Call(isolate, fun, receiver, 1, args).is_null();
+  return !Execution::Call(isolate, fun, receiver, 0, NULL).is_null();
 }
 
 
@@ -2423,8 +2422,6 @@
     HARMONY_SHIPPING(INSTALL_EXPERIMENTAL_NATIVES);
 #undef INSTALL_EXPERIMENTAL_NATIVES
   }
-
-  CallUtilsFunction(isolate(), "PostExperimentals");
 
   InstallExperimentalNativeFunctions();
   return true;