Minor tidying of Aphlict code
Summary: Just some housekeeping... mostly just removing some unused variables.
Test Plan: Checked that I was still about to receive notifications from /notification/status/.
Reviewers: epriestley, Blessed Reviewers
Reviewed By: epriestley, Blessed Reviewers
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D11398