Remove expired ports:

2020-12-12 textproc/py-hypua2jamo: Uses deprecated version of python
2020-12-12 devel/py-delfick_error: Uses deprecated version of python
2020-12-12 devel/py-fusefs: Uses deprecated version of python
2020-08-15 devel/py-noseofyeti: Uses deprecated version of python
2020-12-29 databases/py-bsddb: Uses deprecated version of python
2020-12-29 www/py-webhelpers: Uses deprecated version of python
2020-12-29 security/py-pyptlib: Uses deprecated version of python
2020-12-29 japanese/py-zinnia: Uses deprecated version of python
2020-12-29 math/slepc: Broken, uses deprecated version of python
2020-12-29 www/py-pastescript: Uses deprecated version of python
2020-12-29 databases/ldb14: Uses deprecated version of python
2020-12-29 math/py-slepc4py: Depends on broken and expiring math/slepc
2020-12-29 multimedia/py-kaa-base: Uses deprecated version of python
2020-12-29 devel/py-ydbf: Uses deprecated version of python
2020-12-29 devel/py-SymbolType: Uses deprecated version of python