Don’t load bundles from layout test

Ideally we would have the BundlesManager load the bundles but since tests don’t have their own framework requirements, this would require that the layout framework is setup to depend on the BundlesManager framework.

Frameworks/layout/tests/t_layout.mm

@@ -415,7 +415,7 @@ static class LayoutFixture : public CxxTest::GlobalFixture
 public:
 	bool setUpWorld()
 	{
-		bundles::build_index();
+		// [BundlesManager sharedInstance]; // load bundles
 		return true;
 	}