COMP: Duplicate ImageToImageFilter wrapping of ULL

To address:

Warning: template already defined 'itk::ImageToImageFilter<itk::Image<unsignedlonglong,2>,itk::Image<signedshort,2>>'
Template itk::ImageToImageFilter<itk::Image<unsignedlonglong,3>,itk::Image<signedshort,3>>
 already defined as <class 'itkImageToImageFilterAPython.itkImageToImageFilterIULL3ISS3'>
 is redefined as <class 'itkImageToImageFilterAPython.itkImageToImageFilterIULL3ISS3'>

Modules/Core/Common/wrapping/itkImageToImageFilterA.wrap

@@ -1,16 +1,10 @@
 itk_wrap_class("itk::ImageToImageFilter" POINTER)
   # Wrap from each scalar type to each other, and also to uchar (for 8-bit saving)
   # and to ulong (for watershed).
-  UNIQUE(from_types "UC;ULL;${WRAP_ITK_SCALAR}")
+  UNIQUE(from_types "UC;${ITKM_IT};ULL;${WRAP_ITK_SCALAR}")
   UNIQUE(to_types "UC;UL;${ITKM_IT};${WRAP_ITK_SCALAR}")
   itk_wrap_image_filter_combinations("${from_types}" "${to_types}")
 
-  # Wrap from ulong to other integral types, even if ulong isn't wrapped. This
-  # is needed for the relabel components image filter.
-  if(NOT ITK_WRAP_unsigned_long)
-    itk_wrap_image_filter_combinations("${ITKM_IT}" "${WRAP_ITK_INT}")
-  endif()
-
   UNIQUE(to_types "UC;${WRAP_ITK_SCALAR}")
   foreach(d ${ITK_WRAP_IMAGE_DIMS})
     foreach(t ${to_types})