Delete the tracing service

services/service_manager/standalone/context.h

Index: services/service_manager/standalone/context.h
diff --git a/services/service_manager/standalone/context.h b/services/service_manager/standalone/context.h
index 5e93ee2570d9b883706a6614b8748c0259533505..746febaa65170b26afcde507b14a4aa05e630daf 100644
--- a/services/service_manager/standalone/context.h
+++ b/services/service_manager/standalone/context.h
@@ -12,8 +12,6 @@
 #include "base/time/time.h"
 #include "base/values.h"
 #include "services/service_manager/runner/host/service_process_launcher.h"
-#include "services/service_manager/standalone/tracer.h"
-#include "services/tracing/public/cpp/provider.h"
 
 namespace base {
 class SequencedWorkerPool;
@@ -48,8 +46,6 @@ class Context {
 
   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 
-  Tracer tracer_;
-  tracing::Provider provider_;
   std::unique_ptr<catalog::Catalog> catalog_;
   std::unique_ptr<ServiceManager> service_manager_;
   base::Time main_entry_time_;