Merge pull request #68 from kazuhiro4949/feature/revert_supporting_jailbroken_apps

Reverting jailbroken apps support

Author: kazuhiro4949

PagingKit/PagingContentViewController.swift

@@ -248,9 +248,7 @@ public class PagingContentViewController: UIViewController {
         super.viewDidLoad()
 
         if #available(iOS 11.0, *) {
-            if scrollView.responds(to: #selector(setter: UIScrollView.contentInsetAdjustmentBehavior)) {
-                scrollView.contentInsetAdjustmentBehavior = .never
-            }
+            scrollView.contentInsetAdjustmentBehavior = .never
         }
         scrollView.frame = view.bounds
         scrollView.delegate = self

PagingKit/PagingMenuView.swift

@@ -369,7 +369,6 @@ public class PagingMenuView: UIScrollView {
 
     var contentSafeAreaInsets: UIEdgeInsets {
         if #available(iOS 11.0, *) {
-            guard UIApplication.shared.delegate?.window??.responds(to: #selector(getter: safeAreaInsets)) ?? false else { return .zero }
             return safeAreaInsets
         } else {
             return .zero
@@ -568,7 +567,6 @@ public class PagingMenuView: UIScrollView {
 
     @available(iOS 11.0, *)
     public override func safeAreaInsetsDidChange() {
-        guard UIApplication.shared.delegate?.window??.responds(to: #selector(safeAreaInsetsDidChange)) ?? false else { return }
         super.safeAreaInsetsDidChange()
         alignEachVisibleCell()
     }