fix bug where runway was still represent after a landing was cancelled
fix bug where runway was still represent after
a landing was cancelled

to reproduce: tell plane to land. "no ILS" is displayed. Tell plane to
navigate to a fix "no ILS" is still visible, although it should be gone.

erikquinn/atc,erikquinn/atc,ghariman/atc,deepkw/deepkw.github.io,tedrek/atc,jpeterson1346/atc,luznicky/atc,NoInspiration/ATC,culebron/atc,MaicomMR/Brazil-Airport,deepkw/deepkw.github.io,harp71/atc,harp71/atc,glangford/atc,tedrek/atc,jpeterson1346/atc,MaicomMR/Brazil-Airport,ghariman/atc,culebron/atc,ghariman/atc,jpeterson1346/atc,harp71/atc,tedrek/atc,erikquinn/atc,luznicky/atc,luznicky/atc,deepkw/deepkw.github.io,glangford/atc