[ios] Removing conditionals for unsupported iOS versions

Signed-off-by: Yannik Bloscheck <git@yannikbloscheck.com>

iphone/Maps/Classes/Components/CopyableLabel.swift

@@ -29,12 +29,7 @@ class CopyableLabel: UILabel {
       var rect = bounds
       rect.origin = locationOfTouchInLabel
       rect.size = CGSize(width: 1, height: 1)
-      if #available(iOS 13, *) {
-        menu.showMenu(from: self, rect: rect)
-      } else {
-        menu.setTargetRect(rect, in: self)
-        menu.setMenuVisible(true, animated: false)
-      }
+      menu.showMenu(from: self, rect: rect)
     }
   }