clean code (removing warnings)

enzevalos_iphone/AppDelegate.swift

@@ -328,16 +328,6 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         }
         coord.pushInbox()
         return
-        let rootViewController = (self.window?.rootViewController! as! UINavigationController)
-
-        for vc in rootViewController.viewControllers {
-            if let id = vc.restorationIdentifier, id == "folderViewController" {
-                let inboxViewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "inboxViewController")
-                vc.title = NSLocalizedString("Folders", comment: "")
-                rootViewController.pushViewController(inboxViewController, animated: false)
-                break
-            }
-        }
     }
     
     

enzevalos_iphone/MailServerConnectionError.swift

@@ -56,8 +56,6 @@ enum MailServerConnectionError: Error {
                 return .CheckSMTPServerConfig
             case .TimeoutError :
                 return .Timeout
-            default :
-                return .Default
             }
         }
     }