Modernize `.arclint` file.

Summary:
Update the `.arclint` file after D9576 and D9590.

Depends on D9576, D9590.

Test Plan: Eyeball it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9591