Took it out because https://before-you-ship.18f.gov/privacy/ was largely GSA-focused. Also, at GSA, the PIA wasn't officially part of the ATO process; per @trevorbryant [in Slack](https://opencontrol.slack.com/archives/C1XEQ3GT0/p1556666101088400?thread_ts=1556574063.041200&cid=C1XEQ3GT0), it usually is.