Remove unused alaw2ulaw() and ulaw2alaw() functions.
Remove unused alaw2ulaw() and ulaw2alaw() functions.

Distrotech/audiofile,eriser/audiofile,eriser/audiofile,mpruett/audiofile,fabzzap/audiofile,Distrotech/audiofile,eriser/audiofile,fabzzap/audiofile,mpruett/audiofile,Distrotech/audiofile,mpruett/audiofile,fabzzap/audiofile