staging: greybus: audio_helper: remove unused and wrong debugfs usage
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.3 by commit d835fa49d9589a780ff0d001bb7e6323238a4afb. For more details please see the references link.