emulators/rtc: Remove expired port

2023-12-31 emulators/rtc: Driver doesn't actually work with current FreeBSD versions

MOVED

@@ -8192,3 +8192,4 @@ databases/mysqlwsrep57-server||2023-12-31|Depends on upstream EOL MySQL 5.7
 net-mgmt/glpi-plugins-fusioninventory-server||2023-12-31|Has expired: Requires php80 which is set to expire on 2023-11-26
 x11-fonts/fontmatrix||2023-12-31|Has expired: Depends on deprecated www/qt5-webkit
 cad/jspice3||2023-12-31|Has expired: BROKEN for more than 2 years on all supported versions after the EOL of 12
+emulators/rtc||2023-12-31|Has expired: Driver doesn't actually work with current FreeBSD versions

emulators/Makefile

@@ -121,7 +121,6 @@
     SUBDIR += ripes
     SUBDIR += riscv-isa-sim
     SUBDIR += rpcs3
-    SUBDIR += rtc
     SUBDIR += rubygem-fission
     SUBDIR += sameboy
     SUBDIR += simh