Remove expired ports:
2020-08-15 audio/py-cddb: Uses deprecated version of python
2020-08-15 databases/py-sybase: Uses deprecated version of python
2020-08-15 devel/py-pp: Uses deprecated version of python
2020-08-15 security/py-keyczar: Uses deprecated version of python
2020-08-15 math/py-pysparse: Uses deprecated version of python
2020-08-15 net/py-beanstalkc: Uses deprecated version of python
2020-08-15 x11-toolkits/py-wxPython30: Uses deprecated version of python
2020-08-15 net-im/py-skype4py: Uses deprecated version of python
2020-08-15 net-im/telepathy-haze: Uses deprecated version of python