Remove expired ports:

2020-02-29 lang/gcc6: Unsupported by upstream. Use GCC 9 or newer instead.
2020-02-28 www/pycarddav: Deprecated by upstream, please migrate to deskutils/py-khard
2020-03-02 x11/xpra: Old, uses EOLed python27
2020-03-02 x11-wm/ccsm: Old, uses EOLed python27
2020-03-02 x11-toolkits/py-gtkglext: Old, uses EOLed python27
2020-03-02 deskutils/syncthing-gtk: Old, uses EOLed python27
2020-03-02 x11-wm/compiz-fusion: Old, uses EOLed python27
2020-03-02 x11/run_scaled: Old, uses EOLed python27

MOVED

@@ -14458,3 +14458,11 @@ textproc/rubygem-actionpack-xml_parser|textproc/rubygem-actionpack-xml_parser-ra
 textproc/rubygem-actionpack-xml_parser1|textproc/rubygem-actionpack-xml_parser1-rails4|2020-03-02|Renamed to match rubygem name convention
 textproc/rubygem-actionpack-xml_parser52|textproc/rubygem-actionpack-xml_parser-rails52|2020-03-02|Renamed to match rubygem name convention
 x11-toolkits/py-kivy||2020-03-02|Has expired: Old, uses EOLed python27
+lang/gcc6|lang/gcc|2020-03-07|Has expired: Unsupported by upstream. Use GCC 9 or newer instead.
+www/pycarddav|deskutils/py-khard|2020-03-07|Has expired: Deprecated by upstream, please migrate to deskutils/py-khard
+x11/xpra||2020-03-07|Has expired: Old, uses EOLed python27
+x11-wm/ccsm||2020-03-07|Has expired: Old, uses EOLed python27
+x11-toolkits/py-gtkglext||2020-03-07|Has expired: Old, uses EOLed python27
+deskutils/syncthing-gtk||2020-03-07|Has expired: Old, uses EOLed python27
+x11-wm/compiz-fusion||2020-03-07|Has expired: Old, uses EOLed python27
+x11/run_scaled||2020-03-07|Has expired: Old, uses EOLed python27

deskutils/Makefile

@@ -216,7 +216,6 @@
     SUBDIR += spice-gtk
     SUBDIR += sugarcrm
     SUBDIR += synapse
-    SUBDIR += syncthing-gtk
     SUBDIR += syncthingtray
     SUBDIR += sysctlview
     SUBDIR += systempreferences

lang/Makefile

@@ -96,7 +96,6 @@
     SUBDIR += gcc-ecj45
     SUBDIR += gcc10-devel
     SUBDIR += gcc48
-    SUBDIR += gcc6
     SUBDIR += gcc6-aux
     SUBDIR += gcc7
     SUBDIR += gcc8