R1:9d9a47e9cf49

Add setup checks for unused homepage options

Summary: Ref T11533, Fixes T5315. Remove and add extra setup checks for removed homepage options.

Test Plan: Review text.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T5315, T11533

Differential Revision: https://secure.phabricator.com/D16453