fix: remove references to telligentdata.com
Created by: dadlerj
See https://github.com/sourcegraph/sourcegraph/pull/5102
Part of https://github.com/sourcegraph/infrastructure/issues/1577
Created by: dadlerj
See https://github.com/sourcegraph/sourcegraph/pull/5102
Part of https://github.com/sourcegraph/infrastructure/issues/1577