R1:0c3f74663c91

Remove Ponder voting UI

Summary: Ref T6920, This just removes the old voting UI from Ponder.

Test Plan: Visit a Question, no voting UI

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T6920

Differential Revision: https://secure.phabricator.com/D13827