Strike that… apparently it’s not a rumour any more:

https://www.bbc.com/sport/formula1/articles/ckg05py1zneo

Audi team principal Jonathan Wheatley has left the team with immediate effect.

and

He will have to serve a period of ‘gardening leave’ before joining another team, the length of which will have to be negotiated between himself, Audi and potentially a future employer.