Start removing deprecated Options UI code

chrome/browser/ui/webui/signin/user_manager_screen_handler.cc

Index: chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
diff --git a/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc b/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
index 7436f8abffee57d2ec760efb743be4c644ef03d2..d8a064aafe10ca12c44b3686de9e8ddd3ab80574 100644
--- a/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
+++ b/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
@@ -306,9 +306,8 @@ UserManagerScreenHandler::UserManagerScreenHandler() : weak_ptr_factory_(this) {
   const PrefService::Preference* add_person_enabled_pref =
       service->FindPreference(prefs::kBrowserAddPersonEnabled);
 
-  if (base::FeatureList::IsEnabled(features::kMaterialDesignSettings) &&
-      (guest_mode_enabled_pref->HasUserSetting() ||
-       add_person_enabled_pref->HasUserSetting())) {
+  if (guest_mode_enabled_pref->HasUserSetting() ||
+      add_person_enabled_pref->HasUserSetting()) {
     service->ClearPref(guest_mode_enabled_pref->name());
     service->ClearPref(add_person_enabled_pref->name());
     base::RecordAction(