ash: Remove broken display notification suppression when settings is open

ash/content/display/screen_orientation_controller_chromeos_unittest.cc

Index: ash/content/display/screen_orientation_controller_chromeos_unittest.cc
diff --git a/ash/content/display/screen_orientation_controller_chromeos_unittest.cc b/ash/content/display/screen_orientation_controller_chromeos_unittest.cc
index 6851fa6bcf3eaa07473f59be4d04b8f705765789..4070e08a1842a4563aff6fcb6828557f94bbb93d 100644
--- a/ash/content/display/screen_orientation_controller_chromeos_unittest.cc
+++ b/ash/content/display/screen_orientation_controller_chromeos_unittest.cc
@@ -19,7 +19,6 @@
 #include "ash/test/content/test_shell_content_state.h"
 #include "ash/test/display_manager_test_api.h"
 #include "ash/test/test_shell_delegate.h"
-#include "ash/test/test_system_tray_delegate.h"
 #include "base/command_line.h"
 #include "chromeos/accelerometer/accelerometer_reader.h"
 #include "chromeos/accelerometer/accelerometer_types.h"
@@ -420,8 +419,6 @@ TEST_F(ScreenOrientationControllerTest, RotationLockPreventsRotation) {
 // triggered by the accelerometer.
 TEST_F(ScreenOrientationControllerTest, BlockRotationNotifications) {
   EnableMaximizeMode(true);
-  test::TestSystemTrayDelegate* tray_delegate = GetSystemTrayDelegate();
-  tray_delegate->set_should_show_display_notification(true);
   test::DisplayManagerTestApi(display_manager())
       .SetFirstDisplayAsInternalDisplay();