Do not include legacy code when building VTK

CMakeExternals/VTK.cmake

@@ -74,6 +74,7 @@ if(${add_project} OR CTK_LIB_Scripting/Python/Core_PYTHONQT_USE_VTK)
           -DVTK_USE_GUISUPPORT:BOOL=ON
           -DVTK_USE_QVTK_QTOPENGL:BOOL=ON
           -DVTK_USE_QT:BOOL=ON
+          -DVTK_LEGACY_REMOVE:BOOL=ON
           -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
         DEPENDS
           ${proj_DEPENDENCIES}