Revert of Introduce ash mojo interface for lock screen action handlers

ash/mojo_interface_factory.cc

Index: ash/mojo_interface_factory.cc
diff --git a/ash/mojo_interface_factory.cc b/ash/mojo_interface_factory.cc
index 04d32fbab38a12b788351d0c2cdeb3abbe358acc..3f2e0fbb78bd15fbb01ac006e064729b2cf55f1d 100644
--- a/ash/mojo_interface_factory.cc
+++ b/ash/mojo_interface_factory.cc
@@ -18,7 +18,6 @@
 #include "ash/system/locale/locale_notification_controller.h"
 #include "ash/system/network/vpn_list.h"
 #include "ash/system/tray/system_tray_controller.h"
-#include "ash/tray_action/tray_action.h"
 #include "ash/wallpaper/wallpaper_controller.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "base/bind.h"
@@ -97,12 +96,6 @@
   Shell::Get()->maximize_mode_controller()->BindRequest(std::move(request));
 }
 
-void BindTrayActionRequestOnMainThread(
-    const service_manager::BindSourceInfo& source_info,
-    mojom::TrayActionRequest request) {
-  Shell::Get()->tray_action()->BindRequest(std::move(request));
-}
-
 void BindVpnListRequestOnMainThread(
     const service_manager::BindSourceInfo& source_info,
     mojom::VpnListRequest request) {
@@ -147,8 +140,6 @@
                          main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindTouchViewRequestOnMainThread),
                          main_thread_task_runner);
-  registry->AddInterface(base::Bind(&BindTrayActionRequestOnMainThread),
-                         main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindVpnListRequestOnMainThread),
                          main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindWallpaperRequestOnMainThread),