Delete unused tutorial code from profile switcher/user manager.

chrome/browser/ui/cocoa/profiles/user_manager_mac.mm

Index: chrome/browser/ui/cocoa/profiles/user_manager_mac.mm
diff --git a/chrome/browser/ui/cocoa/profiles/user_manager_mac.mm b/chrome/browser/ui/cocoa/profiles/user_manager_mac.mm
index b329ac12f14060528e5497247ae50bd46e8a0722..0116bd6768064a61bd448a17d102d66bf5fd7d9e 100644
--- a/chrome/browser/ui/cocoa/profiles/user_manager_mac.mm
+++ b/chrome/browser/ui/cocoa/profiles/user_manager_mac.mm
@@ -413,7 +413,6 @@ class UserManagerProfileDialogDelegate
 // static
 void UserManager::Show(
     const base::FilePath& profile_path_to_focus,
-    profiles::UserManagerTutorialMode tutorial_mode,
     profiles::UserManagerAction user_manager_action) {
   DCHECK(profile_path_to_focus != ProfileManager::GetGuestProfilePath());
 
@@ -437,7 +436,6 @@ void UserManager::Show(
   // from the guest profile.
   profiles::CreateSystemProfileForUserManager(
       profile_path_to_focus,
-      tutorial_mode,
       user_manager_action,
       base::Bind(&UserManagerMac::OnSystemProfileCreated, base::Time::Now()));
 }