-when looking for authentication headers to remove don't use mRequestContext.getDigestRealm since it can punt
 on the RequestUri host and that host may have nothing to do with our domain(s) - use isMyDomain instead


git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@11126 ddefafc4-47db-0310-ae44-fa13212b10f2