Summary: we had a hole in scaling pics from oauth from a bit. that was patched in D2848. this cleans up the old data.
Test Plan: ran it in production. issue as described on task is resolved. also spot checked some profiles and they look good.
Reviewers: epriestley
Reviewed By: epriestley
CC: aran, Korvin
Maniphest Tasks: T1634
Differential Revision: https://secure.phabricator.com/D3268
