main.storyboard 제거

Target - General - Deployment Info - Main Interface에서 "Main" 지워주기

Info.plist - 'Storyboard Name' 제거

SceneDelegate(iOS13~): rootViewController지정
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
guard let windowScene = (scene as? UIWindowScene) else { return }
window = UIWindow(windowScene: windowScene)
window?.windowScene = windowScene
window?.rootViewController = HomeViewController()
window?.makeKeyAndVisible()