cleanup: Remove expired ports:

2022-12-31 multimedia/libkate: Obsolete format that never got any traction and no development in over 10 years

Author: rene0

MOVED

@@ -17732,3 +17732,4 @@ editors/madedit||2022-12-31|Has expired: Abandoned project and use deprecated wx
 comms/ebook2cwgui||2022-12-31|Has expired: Abandoned project, last update 2013-01-23 and use deprecated wxgtk28
 databases/firebird25-client||2022-12-31|Has expired: Upstream Support ends on 2019-06-24
 databases/firebird25-server||2022-12-31|Has expired: Upstream Support ends on 2019-06-24
+multimedia/libkate||2022-12-31|Has expired: Obsolete format that never got any traction and no development in over 10 years

multimedia/Makefile

@@ -175,7 +175,6 @@
     SUBDIR += libfame
     SUBDIR += libgav1
     SUBDIR += libhdhomerun
-    SUBDIR += libkate
     SUBDIR += libmatroska
     SUBDIR += libmediaart
     SUBDIR += libmediainfo