[CMake] Remove dependency to vtkIOXDMF lib

scripts/cmake/Find.cmake

@@ -61,7 +61,7 @@ find_program(PARSL parsl-visualize HINTS ${LOCAL_VIRTUALENV_BIN_DIRS})
 ######################
 find_package(Boost ${ogs.minimum_version.boost} REQUIRED)
 
-set(VTK_COMPONENTS vtkIOXML vtkIOXdmf3 vtkIOLegacy)
+set(VTK_COMPONENTS vtkIOXML vtkIOLegacy)
 if(OGS_BUILD_GUI)
     set(VTK_COMPONENTS ${VTK_COMPONENTS}
         vtkIOExport vtkImagingCore
@@ -79,12 +79,6 @@ else()
     find_package(VTK ${ogs.minimum_version.vtk} REQUIRED COMPONENTS ${VTK_COMPONENTS})
     include(${VTK_USE_FILE})
 endif()
-include_directories(SYSTEM
-    # Xdmf:
-    ${VTK_INSTALL_PREFIX}/include
-    # libxml:
-    ${VTK_INSTALL_PREFIX}/include/vtk-${VTK_VERSION_MAJOR}.${VTK_VERSION_MINOR}/vtklibxml2
-)
 
 find_package(Eigen3 ${ogs.minimum_version.eigen} REQUIRED)
 include_directories(SYSTEM ${EIGEN3_INCLUDE_DIR})