title: How to hide shadows in UITableViewCell when cell is dragging
body: <p>I have UITableView with hided separator line, and when I dragging cell, shadows appears some kind as borders comes out on up and down. How to hide this? Please see example:
  <img src="https://i.stack.imgur.com/L17uO.png" alt="Emulator screenshot"></p>
  
  <p>Great thanks!</p>