Removed unused constants in AppleAudioFile.
Removed unused constants in AppleAudioFile.

tn0502/rainbow,tn0502/rainbow,tn0502/rainbow,pandaforks/tido-rainbow,pandaforks/tido-rainbow,pandaforks/tido-rainbow,tn0502/rainbow,pandaforks/tido-rainbow,tn0502/rainbow,tn0502/rainbow,pandaforks/tido-rainbow