Fix unsure

Signed-off-by: Henrik Storch <henrik.storch@nextcloud.com>

iOSClient/Menu/NCShare+Menu.swift

@@ -70,7 +70,7 @@ extension NCShare {
                 title: NSLocalizedString("_share_unshare_", comment: ""),
                 icon: NCUtility.shared.loadImage(named: "delete").imageColor(NCBrandColor.shared.brandElement),
                 action: { _ in
-                    // TODO: Unshare!
+                    self.networking?.unShare(idShare: share.idShare)
                 }
             )
         )

iOSClient/Share/NCShare.swift

@@ -206,7 +206,9 @@ class NCShare: UIViewController, UIGestureRecognizerDelegate, NCShareNetworkingD
         NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterReloadDataNCShare)
     }
 
-    func unShareCompleted() { }
+    func unShareCompleted() {
+        self.reloadData()
+    }
 
     func updateShareWithError(idShare: Int) {
         self.reloadData()