Delete the tracing service

mash/catalog_viewer/catalog_viewer.cc

Index: mash/catalog_viewer/catalog_viewer.cc
diff --git a/mash/catalog_viewer/catalog_viewer.cc b/mash/catalog_viewer/catalog_viewer.cc
index 1c378e82bd2f1c6f85fe583a009131d171e67740..6c39e738b41eff1393686aaf300ed1a27f80c79c 100644
--- a/mash/catalog_viewer/catalog_viewer.cc
+++ b/mash/catalog_viewer/catalog_viewer.cc
@@ -219,8 +219,6 @@ void CatalogViewer::RemoveWindow(views::Widget* window) {
 }
 
 void CatalogViewer::OnStart() {
-  tracing_.Initialize(context()->connector(), context()->identity().name());
-
   aura_init_ = base::MakeUnique<views::AuraInit>(
       context()->connector(), context()->identity(), "views_mus_resources.pak",
       std::string(), nullptr, views::AuraInit::Mode::AURA_MUS);