astro/viking: the port had been readded

MOVED

@@ -3208,7 +3208,6 @@ devel/gperf31|devel/gperf|2020-01-04|No longer needed as devel/gperf has been up
 devel/yosys|cad/yosys|2020-01-04|Move to a proper category
 cad/ujprog|comms/ujprog|2020-01-05|Move to a proper category
 net/gnatsd|net/nats-server|2020-01-06|Renamed upstream
-astro/viking||2020-01-10|Has expired: Depends on broken and expiring graphics/mapnik
 audio/slv2||2020-01-10|Has expired: Broken for more than 5 months (last version 0.6.6 released in 2009, replaced by lilv)
 cad/brickutils||2020-01-10|Has expired: Broken for more than 3 months, unmaintained
 devel/elixir-gen_state_machine||2020-01-10|Has expired: Broken for more than 6 months