CMake: remove unused FREECAD_USE_OCC_VARIANT.

cMake/FreeCAD_Helpers/InitializeFreeCADBuildOptions.cmake

@@ -76,13 +76,6 @@ macro(InitializeFreeCADBuildOptions)
 
     ChooseQtVersion()
 
-    # https://blog.kitware.com/constraining-values-with-comboboxes-in-cmake-cmake-gui/
-    set(FREECAD_USE_OCC_VARIANT "Community Edition"  CACHE STRING  "Official OpenCASCADE version or community edition")
-    set_property(CACHE FREECAD_USE_OCC_VARIANT PROPERTY STRINGS
-                 "Official Version"
-                 "Community Edition"
-    )
-
     option(BUILD_DESIGNER_PLUGIN "Build and install the designer plugin" OFF)
 
     if(APPLE)

package/rattler-build/build.bat

@@ -18,7 +18,6 @@ cmake ^
     -D CMAKE_INSTALL_PREFIX:FILEPATH="%LIBRARY_PREFIX%" ^
     -D CMAKE_LIBRARY_PATH:FILEPATH="%LIBRARY_PREFIX%/lib" ^
     -D CMAKE_PREFIX_PATH:FILEPATH="%LIBRARY_PREFIX%" ^
-    -D FREECAD_USE_OCC_VARIANT="Official Version" ^
     -D INSTALL_TO_SITEPACKAGES:BOOL=ON ^
     -D OCC_INCLUDE_DIR:FILEPATH="%LIBRARY_PREFIX%/include" ^
     -D OCCT_CMAKE_FALLBACK:BOOL=OFF ^

package/rattler-build/build.sh

@@ -30,7 +30,6 @@ cmake \
     -D CMAKE_INSTALL_PREFIX:FILEPATH="$PREFIX" \
     -D CMAKE_LIBRARY_PATH:FILEPATH="$PREFIX/lib" \
     -D CMAKE_PREFIX_PATH:FILEPATH="$PREFIX" \
-    -D FREECAD_USE_OCC_VARIANT="Official Version" \
     -D INSTALL_TO_SITEPACKAGES:BOOL=ON \
     -D OCC_INCLUDE_DIR:FILEPATH="$PREFIX/include" \
     -D OCCT_CMAKE_FALLBACK:BOOL=OFF \