Re-enable the deprecated calls setup check
Summary: This reverts commit 55c00ebfa125199e4914e98574950e6111a416d7. T7111, T7112 and T7113 have all been resolved now.
Test Plan: Maybe wait a few more weeks... I just wanted to ensure that this wasn't forgotten.
Reviewers: btrahan, Blessed Reviewers, epriestley
Reviewed By: Blessed Reviewers, epriestley
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D11910