NEW YORK - Bankrupt Residential Capital LLC (ResCap) on Sept. 11 filed a brief arguing that the bankruptcy court should expunge two separate claims valued at total of $30 million that it says have been filed by a couple who has a "documented history of vexatious litigation" (In Re: Residential Capital LLC, No. 12-12020, Chapter 11, S.D. N.Y. Bkcy.).