wav2cdr is marked for autoremoval from testing

[Debian testing autoremoval watch]

wav2cdr 2.3.4-4 is marked for autoremoval from testing on 2020-07-16

It is affected by these RC bugs:
956927: wav2cdr: wav2cdr is broken on 64bit architectures other than amd64 and 
alpha
958578: wav2cdr: wav2cdr is broken on 64bit architectures other than amd64 and 
alpha