Races not migrated to GKv2

[kumy]

There is no race at all in the new GKv2 (it's not really problematic as it was an hidden feature in GKv1 and not much used)

Note: the data will be imported in GKv2 but not used

For later reference, here are the current pages:

[GGGuerin]

Funny feature .... I tried it in V1