The CD-ROM device code shall be cleaned up. There is a lot of code that appears to be obsolete, in particular code dealing with non-existing functionality.
[x] Remove code fragments dealing with non-existing audio functionality
[x] Remove code dealing with multiple tracks, even though only a single data track is supported
[x] Clean up redundant code analyzing the image file structure
[x] Remove dubious code that tries to detect raw ISO files. In practice it cannot have worked for a long time.
The CD-ROM device code shall be cleaned up. There is a lot of code that appears to be obsolete, in particular code dealing with non-existing functionality.