cleanup: Remove expired ports:

2021-12-05 sysutils/bareos17-client: Deprecated, no new release since 2020
2021-12-05 sysutils/bareos17-client-static: Deprecated, no new release since 2020
2021-12-05 sysutils/bareos17-server: Deprecated, no new release since 2020
2021-12-05 www/bareos17-webui: Deprecated, no new release since 2020