title: Hide indent before kendo grouping cell
body: <p>I am trying to hide grouping indent in kendo grid to insure more space for my columns but I cannot get the right css. I tried with indent classes, hiding some spaces, padding, but nothing worked. 
  Thanks</p>
  
  <p><a href="https://i.stack.imgur.com/K3aD3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/K3aD3.png" alt="Example"></a></p>