[PUSHED][PATCH] Remove unused code (sdext)

[Chr. Rossmanith]

Hi,
>> Probably the private variable maTransform can be removed as well: it is
>> initialized with the identity transform and never changed afterwards.
> Does that suggest that the actual call to
> mxSprite->transform(maTransform) is actually a no-op ?
At least it doesn't change the position of mxSprite. Only the cpu is a 
little less idle  :-)  Then I'll continue to remove maTransform? Or 
should it be kept for future use?

Christina