Some have reported that this set of steps worked for them, but others said it doesn't, so YMMV: http://www.techforcast.com/2012/03/disk-configuration-wizard-customization.html
Your other option is to customize a pane for your needs. Keith has an old post about doing this for MDT 2010 as an example (no source) using the MDT Wizard Editor (which is now MDT Wizard Studio): http://deployment.xtremeconsulting.com/2009/10/30/custom-wizard-pages/
- Proposed as answer by DCtheGeekMicrosoft community contributor, Editor Monday, July 22, 2013 3:56 PM
I have an example of how to do this in a new blog post:
The short answer is: “Don’t do that”, the longer answer is: “Yes it’s possible with some custom work”.
Keith Garner - Microsoft PM
- Proposed as answer by Keith GarnerModerator Monday, July 22, 2013 5:57 AM