Update ViewController.swift

The super method was called twice. You need to delete one.

Author: magi82

tutorials/mpp-iOS-Android/native/KotlinIOS/KotlinIOS/ViewController.swift

@@ -18,8 +18,6 @@ class ViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        super.viewDidLoad()
-        
         let label = UILabel(frame: CGRect(x: 0, y: 0, width: 300, height: 21))
         label.center = CGPoint(x: 160, y: 285)
         label.textAlignment = .center