[Bf-python] removing python based image baking scripts

[Joe Eagar]

Campbell Barton wrote:
> since blenders internal baking has just been added, we need to review 
> weather the python baking scripts that exist are still needed.
>
> One thing I like about the image baker I did is that you dont need to 
> fuss over setting up the right materials so texface is baked however 
> the new baking function could be accessed in Blender so all the script 
> does is to set up the context
>
> - you could argue that setting the right settings is trivial, 
> (Shadeless+texface) but you need to do this to all materials and 
> possible disable nodes?
> also- the scripts allow only to bake from selected faces which has its 
> advantages.
> _
At the moment baking tangent normal maps isn't supported, so for now we 
need the normal baker. :)

Joe