remove hack that influences the navigation bar title and back button text negatively

deltachat-ios/Controller/NewChatViewController.swift

@@ -108,12 +108,6 @@ class NewChatViewController: UITableViewController {
         }
     }
 
-    override func viewWillDisappear(_: Bool) {
-        title = String.localized("pref_chats")
-        /* hack: when navigating to chatView (removing this viewController),
-        there was a delayed backButton update (showing 'New Chat' for a moment) */
-    }
-
     override func viewDidDisappear(_ animated: Bool) {
         super.viewDidDisappear(animated)