Remove tools/mkcd.sh. Has not been useful for ages.
Remove tools/mkcd.sh. Has not been useful for ages.

AugustusHuang/Mezzano,varjagg/Mezzano,rvedam/Mezzano,froggey/Mezzano,AugustusHuang/Mezzano,varjagg/Mezzano,rvedam/Mezzano,froggey/Mezzano