BUG: Remove duplicate itktubeTubeToTubeTransformFilter.{h,hxx}.

Change-Id: Ia6ebe2b1dc6df35f7c6007dc2908573f7dbd6b64
Merge topic 'DuplicateMerge'

9000d64 BUG: Remove duplicate itktubeTubeToTubeTransformFilter.{h,hxx}.