R1:b24bdf028828

Remove a broken documentation link

Summary: From IRC, this article was removed in D12713.

Test Plan: N/A

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D13371