def remove_proxy_zip_if_present():
    """ Remove Chrome extension zip file used for proxy server authentication.
        Used in the implementation of https://stackoverflow.com/a/35293284
        for https://stackoverflow.com/questions/12848327/
    """
    try:
        if os.path.exists(PROXY_ZIP_PATH):
            os.remove(PROXY_ZIP_PATH)
        elif os.path.exists(PROXY_ZIP_PATH_2):
            os.remove(PROXY_ZIP_PATH_2)
    except Exception:
        pass