Remove expired ports:
2019-03-25 chinese/reciteword: depends on audio/esound
2019-03-31 comms/conserver: Superseeded by comms/conserver-com
2019-03-24 databases/flamerobin: Abandonware since 2009, does not work with newer version of wxGTK
2019-04-01 databases/mariadb100-client: Upstream End-of-Life March 2019 (https://mariadb.org/about/maintenance-policy/)
2019-04-01 databases/mariadb100-server: Upstream End-of-Life March 2019 (https://mariadb.org/about/maintenance-policy/)
2019-03-12 devel/physfs-devel: is the same as devel/physfs, serving no purpose
2019-03-20 devel/py-construct28: Latest upstream version is in ports tree devel/py-construct
2019-03-31 devel/xtoolchain-llvm40: No supported release uses this version
2019-03-31 devel/xtoolchain-llvm50: No supported release uses this version
2019-03-31 finance/aqmoney: no longer maintained upstream
2019-03-31 finance/openhbci: no longer maintained upstream
2019-03-31 graphics/py-exiv2: py-exiv2 has been deprecated in favour of GExiv2
2019-04-04 mail/dbmail22: Please use mail/dbmail which uses latest version of 3.X
2019-03-31 net/rubygem-fog-google17: Use net/rubygem-fog-google instead
2019-03-31 ports-mgmt/bsdadminscripts: Upstream stale nearly 10 years, no longer works properly, use ports-mgmt/bsdadminscripts2 instead
2019-03-24 www/mod_md-devel: Use the module that is shipped with Apache 2.4
2019-03-25 x11/xbelld: Depends on audio/esound