vtkImagingFourier: update to the new module system

Imaging/Fourier/CMakeLists.txt

-set(Module_SRCS
-  vtkImageButterworthHighPass.cxx
-  vtkImageButterworthLowPass.cxx
-  vtkImageFFT.cxx
-  vtkImageFourierCenter.cxx
-  vtkImageFourierFilter.cxx
-  vtkImageIdealHighPass.cxx
-  vtkImageIdealLowPass.cxx
-  vtkImageRFFT.cxx
-  vtkTableFFT.cxx
-  )
+set(classes
+  vtkImageButterworthHighPass
+  vtkImageButterworthLowPass
+  vtkImageFFT
+  vtkImageFourierCenter
+  vtkImageFourierFilter
+  vtkImageIdealHighPass
+  vtkImageIdealLowPass
+  vtkImageRFFT
+  vtkTableFFT)
 
-vtk_module_library(${vtk-module} ${Module_SRCS})
+vtk_module_add_module(VTK::ImagingFourier
+  CLASSES ${classes})

Imaging/Fourier/module.cmake

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

Imaging/Fourier/vtk.module

+NAME
+  VTK::ImagingFourier
+LIBRARY_NAME
+  vtkImagingFourier
+KIT
+  VTK::Imaging
+GROUPS
+  StandAlone
+DEPENDS
+  VTK::CommonCore
+  VTK::CommonExecutionModel
+  VTK::ImagingCore
+PRIVATE_DEPENDS
+  VTK::CommonDataModel
+  VTK::vtksys