Rename ComprehensiveLintEngine class for consistency

Summary: Ref T5655.

Test Plan: Ran arc lint with lint.engine set to ComprehensiveLintEngine and saw a deprecation notice.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: epriestley

Maniphest Tasks: T5655

Differential Revision: https://secure.phabricator.com/D11673