cleanup in AppCoordinator

deltachat-ios/Coordinator/AppCoordinator.swift

@@ -404,15 +404,13 @@ class ChatViewCoordinator: NSObject, Coordinator {
 
     func showContactDetail(of contactId: Int, in chatOfType: ChatType) {
         let contactDetailController = ContactDetailViewController(contactId: contactId)
-        //let nav = UINavigationController(rootViewController: contactDetailController)
-        if (chatOfType == .SINGLE) {
+        if chatOfType == .SINGLE {
             contactDetailController.showStartChat = false
         }
         let coordinator = ContactDetailCoordinator(dcContext: dcContext, navigationController: navigationController)
         childCoordinators.append(coordinator)
         contactDetailController.coordinator = coordinator
         navigationController.pushViewController(contactDetailController, animated: true)
-        // navigationController.present(nav, animated: true, completion: nil)
     }
 
     func showChat(chatId: Int) {