chromeos: Remove unused AP manager D-Bus client library

chromeos/dbus/dbus_thread_manager.cc

Index: chromeos/dbus/dbus_thread_manager.cc
diff --git a/chromeos/dbus/dbus_thread_manager.cc b/chromeos/dbus/dbus_thread_manager.cc
index 62c20ffaba5c09f891ebe416f7fa9dcb62befa7a..9b213c5e98ca58db77ad529255cc32b2948301d1 100644
--- a/chromeos/dbus/dbus_thread_manager.cc
+++ b/chromeos/dbus/dbus_thread_manager.cc
@@ -11,7 +11,6 @@
 #include "base/sys_info.h"
 #include "base/threading/thread.h"
 #include "chromeos/chromeos_switches.h"
-#include "chromeos/dbus/ap_manager_client.h"
 #include "chromeos/dbus/arc_obb_mounter_client.h"
 #include "chromeos/dbus/cras_audio_client.h"
 #include "chromeos/dbus/cros_disks_client.h"
@@ -105,10 +104,6 @@ dbus::Bus* DBusThreadManager::GetSystemBus() {
   return system_bus_.get();
 }
 
-ApManagerClient* DBusThreadManager::GetApManagerClient() {
-  return client_bundle_->ap_manager_client();
-}
-
 ArcObbMounterClient* DBusThreadManager::GetArcObbMounterClient() {
   return client_bundle_->arc_obb_mounter_client();
 }
@@ -233,7 +228,6 @@ UpdateEngineClient* DBusThreadManager::GetUpdateEngineClient() {
 }
 
 void DBusThreadManager::InitializeClients() {
-  GetApManagerClient()->Init(GetSystemBus());
   GetArcObbMounterClient()->Init(GetSystemBus());
   GetCrasAudioClient()->Init(GetSystemBus());
   GetCrosDisksClient()->Init(GetSystemBus());