Apply some autofix linter rules

Summary: Self-explanatory.

Test Plan: Eyeball it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10454

src/applications/phid/handle/const/PhabricatorObjectHandleConstants.php

@@ -1,5 +1,3 @@
 <?php
 
-abstract class PhabricatorObjectHandleConstants {
-
-}
+abstract class PhabricatorObjectHandleConstants {}