Delete the tracing service

services/service_manager/service_manager.cc

Index: services/service_manager/service_manager.cc
diff --git a/services/service_manager/service_manager.cc b/services/service_manager/service_manager.cc
index daac308d52682210af9a700bc777b97b5f72126b..ffe05e8fd4769c45bfc7344836a36bb7c83d82b3 100644
--- a/services/service_manager/service_manager.cc
+++ b/services/service_manager/service_manager.cc
@@ -33,7 +33,6 @@
 #include "services/service_manager/public/interfaces/service.mojom.h"
 #include "services/service_manager/public/interfaces/service_control.mojom.h"
 #include "services/service_manager/public/interfaces/service_manager.mojom.h"
-#include "services/tracing/public/interfaces/constants.mojom.h"
 
 namespace service_manager {
 
@@ -702,7 +701,6 @@ ServiceManager::ServiceManager(
   spec.requires["*"].insert("service_manager:service_factory");
   spec.requires[catalog::mojom::kServiceName].insert(
       "service_manager:resolver");
-  spec.requires[tracing::mojom::kServiceName].insert("app");
   InterfaceProviderSpecMap specs;
   specs[mojom::kServiceManager_ConnectorSpec] = spec;