Remove unused Python 3.9 byte cache
/usr/lib64/python3.10/site-packages/smoldyn/__pycache__/__init__.cpython-39.pyc
/usr/lib64/python3.10/site-packages/smoldyn/__pycache__/smoldyn.cpython-39.pyc
/usr/lib64/python3.10/site-packages/smoldyn/__pycache__/types.cpython-39.pyc
/usr/lib64/python3.10/site-packages/smoldyn/__pycache__/utils.cpython-39.pyc