Remove expired ports:

2020-11-30 databases/datamodeler: depends on expiring java/openjfx8-devel
2020-11-30 devel/gradle4: only needed for expiring biology/igv and java/openjfx8-devel
2020-11-30 devel/py-astroid1: Use devel/py-astroid instead
2020-11-30 devel/pylint1: Use devel/pylint instead
2020-11-30 german/mediathekview: depends on expiring java/openjfx8-devel
2020-11-30 java/openjfx8-devel: No longer maintained upstream
2020-11-30 java/openjfx8-scenebuilder: depends on expiring java/openjfx8-devel
2020-11-30 net-im/py-sleekxmpp: Upstream archived and advices to use net-im/py-slixmpp
2020-12-01 net-mgmt/zabbix44-agent: End of Life
2020-12-01 net-mgmt/zabbix44-frontend: End of Life
2020-12-01 net-mgmt/zabbix44-java: End of Life
2020-12-01 net-mgmt/zabbix44-proxy: End of Life
2020-12-01 net-mgmt/zabbix44-server: End of Life
2020-11-30 print/jabref: depends on expiring java/openjfx8-devel
2020-11-30 science/datawarrior: depends on expiring java/openjfx8-devel

java/Makefile

@@ -101,8 +101,6 @@
     SUBDIR += openjdk8
     SUBDIR += openjdk8-jre
     SUBDIR += openjfx14
-    SUBDIR += openjfx8-devel
-    SUBDIR += openjfx8-scenebuilder
     SUBDIR += phpeclipse
     SUBDIR += proguard
     SUBDIR += sablevm