vtkImagingMath: update to the new module system

Imaging/Math/CMakeLists.txt

-set(Module_SRCS
-  vtkImageDivergence.cxx
-  vtkImageDotProduct.cxx
-  vtkImageLogarithmicScale.cxx
-  vtkImageLogic.cxx
-  vtkImageMagnitude.cxx
-  vtkImageMaskBits.cxx
-  vtkImageMathematics.cxx
-  vtkImageWeightedSum.cxx
-  )
+set(classes
+  vtkImageDivergence
+  vtkImageDotProduct
+  vtkImageLogarithmicScale
+  vtkImageLogic
+  vtkImageMagnitude
+  vtkImageMaskBits
+  vtkImageMathematics
+  vtkImageWeightedSum)
 
-vtk_module_library(${vtk-module} ${Module_SRCS})
+vtk_module_add_module(VTK::ImagingMath
+  CLASSES ${classes})

Imaging/Math/module.cmake

-vtk_module(vtkImagingMath
-  GROUPS
-    Imaging
-    StandAlone
-  KIT
-    vtkImaging
-  DEPENDS
-    vtkCommonExecutionModel
-  PRIVATE_DEPENDS
-    vtkCommonCore
-    vtkCommonDataModel
-  )
\ No newline at end of file

Imaging/Math/vtk.module

+NAME
+  VTK::ImagingMath
+LIBRARY_NAME
+  vtkImagingMath
+KIT
+  VTK::Imaging
+GROUPS
+  Imaging
+  StandAlone
+DEPENDS
+  VTK::CommonExecutionModel
+PRIVATE_DEPENDS
+  VTK::CommonCore
+  VTK::CommonDataModel