removed a "TBD" line from the url rewriting policy docs
removed a "TBD" line from the url rewriting policy docs

msavy/apiman,msavy/apiman,apiman/apiman,apiman/apiman,msavy/apiman,msavy/apiman,apiman/apiman,apiman/apiman,apiman/apiman,msavy/apiman,apiman/apiman-guides