def delete_config_dir
      begin
        FileUtils.rm_r(config_dir) if dir_exists?

      rescue StandardError => e
        raise FileAccessError, e.message
      end
    end
def delete_config_dir
      begin
        FileUtils.rm_r(config_dir) if dir_exists?

      rescue StandardError => e
        raise FileAccessError, e.message
      end
    end
Deletes the config directory including its contents.