This seems like an unlikely case:

How can you unfairly write someone out of a show? It's like the actor who played Greedo filing a suit against the George Lucas because Han Solo shot him. (And shot first, I should add.) Is there more to this? There is:

We'll be sure to keep you posted on the verdict, but this fact seems interesting, in a relative sense:

Unless they can claim the studio was willing to swallow hundreds of thousands of dollars for an plot-point, that looks bad. Oh, we wanted to keep her on, but the emotional impact of a mid-contract scripted demise was, we felt, essential to the artistic integrity of the story. Uh huh.