Remove expired ports:
2019-06-30 sysutils/cfengine33: No longer supported upstream
2019-06-30 sysutils/cfengine-masterfiles38: No longer supported upstream
2019-06-30 sysutils/cfengine39: No longer supported upstream
2019-06-30 sysutils/cfengine-masterfiles37: NO longer supported upstream
2019-06-30 sysutils/cfengine37: No longer supported upstream
2019-06-30 net/morebalance: Abandonware and depends on expiring games/libggz
2019-06-30 sysutils/cfengine36: No longer supported upstream
2019-06-30 sysutils/cfengine-masterfiles36: No longer supported upstream
2019-06-30 sysutils/cfengine34: No longer supported upstream
2019-06-30 sysutils/cfengine35: No longer supported upstream
2019-06-30 sysutils/cfengine-masterfiles39: No longer supported upstream
2019-06-30 devel/py-typed-ast12: Use devel/py-typed-ast instead
2019-06-30 devel/rubygem-devise-rails50: Use devel/rubygem-devise (depends on Rails 5.0) instead
2019-06-30 security/rubygem-devise-two-factor-rails50: Use security/rubygem-devise-two-factor (depends on Rails 5.0) instead
2019-06-30 emulators/qemu-riscv: The development has been moved to the upstream
2019-06-30 games/libggz: Abandonware
2019-06-30 games/ggz-txt-client: Abandonware
2019-06-30 games/ggz-sdl-games: Abandonware
2019-06-30 games/ggz-client-libs: Abandonware
2019-06-30 games/ggz-gtk-client: Abandonware
2019-06-30 games/ggz-gtk-games: Abandonware
2019-06-30 sysutils/cfengine38: No longer supported upstream
2019-06-30 devel/llvm40: Obsolete and unmaintained
2019-06-30 www/axis: Abandonware; use www/axis2 instead
2019-06-30 sysutils/cfengine32: No longer supported upstream
2019-06-30 devel/py-msgpack05: Use devel/py-msgpack instead
2019-06-30 devel/rubygem-fastthread: Does not build for all supported Ruby version
2019-06-30 www/rubygem-responders-rails50: Use www/rubygem-responders (depends on Rails 5.0) instead