Update Phriction Move Away transaction to modular transactions

Summary: Ref T12625

Test Plan: Move a document to a new location, verify the old and new document. Edit both. Grep for MOVE_AWAY

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T12625

Differential Revision: https://secure.phabricator.com/D17988