Huh yes it has been removed, until 21st March apparently. Last one I have recorded was on 18th January.
It was still showing on the Belfast flight information page as of 17:50 this evening, I have it in my cache...
Arrivals
W68013 Vilnius 15:50 1550
Departures
W68014 Vilnius 16:20
... but not showing on the Vilnius end.