[lldb/CMake] Simplify logic for adding example Python packages (NFC)

This simplifies the CMake logic for adding the Python examples to the
Python package. It unifies the use of create_python_package by adding
the NOINIT option and removes the `target` argument, which is always
`finish_swig`.

GitOrigin-RevId: e5290a06d6c23bd222543cb9b689a199343021a7
1 file changed