Its not an unused module its an left out planet. IT was Sleheyron, a Hutt world. Bioware Left it out Due to time. THe only thing left is some audio and a couple models that cant be used yet. 
  This has been discused a few times.    
 here (
http://www.lucasforums.com/showthread.php?s=&threadid=126275&highlight=sleheyron) 
 here (
http://www.lucasforums.com/showthread.php?s=&threadid=126869&highlight=sleheyron) 
 here (
http://www.lucasforums.com/showthread.php?s=&threadid=131724&highlight=sleheyron)
  
 
  
  
    Yeah if you notice, the puzzle on Dantooine where you name the three life and death giving worlds:
 
 Aboreal - Kashyyyk
 Oceanic - Manaan
 Grassland - Dantooine
 
 Volcanic - Would have been Sleheyron
 Barren - Korriban
 Desert - Tatooine
 
 That map looks like a great base for a Bespin Planet too... :p
  
 
  
  
    Man, thats really depressing. Maybe if we all e-mailed LA requestion a patch that puts it in game they would give the ok to Bioware.
  
 
  
  
    Originally posted by CaptainSkye 
 Man, thats really depressing. Maybe if we all e-mailed LA requestion a patch that puts it in game they would give the ok to Bioware. 
 
 HA! now thats what I call HOPE. :p
  
 
  
  
    Even though the Sleheyron levels were not finished, would it be possible to warp there?
  
 
  
  
    By the way, what about this? (
http://www.starwarsknights.com/view.php?screen=screenshots/shot0012.jpg) Would it be possible to warp there? It looks like an unfinished part of Korriban.
  
 
  
  
    Originally posted by Emperor Devon 
 Even though the Sleheyron levels were not finished, would it be possible to warp there? 
 no, there 's nothing to warp to. No areas. Check this thread as well: 
http://www.lucasforums.com/showthread.php?s=&threadid=140007)
  
 
  
  
    Originally posted by T7nowhere 
 HA! now thats what I call HOPE. :p 
 
 I can dream, can't I?:p