maintenance: removed deprecated audio code
maintenance: removed deprecated audio code

tmj-fstate/maszyna,tmj-fstate/maszyna,eu07/maszyna,tmj-fstate/maszyna,firleju/maszyna,tmj-fstate/maszyna,eu07/maszyna,firleju/maszyna,tmj-fstate/maszyna,eu07/maszyna