R1:0865ed266d74

Simplified Phriction Move form

Summary: Refs T2686 - only dialog remains, no wrangling between ajax / non-ajax

Test Plan: verified everything still works

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2686

Differential Revision: https://secure.phabricator.com/D5274