title: How to remove by default mandatory fields in Bugzilla
body: <p><a href="http://i.stack.imgur.com/IAeq4.png" rel="nofollow">Screen-shots of fields to be removed</a></p>
  
  <p>Fields to be removed are following<br>
  1. Version [of product]<br>
  2. Hardware<br>
  3. OS<br></p>