Convert simple phutil_render_tag() to phutil_tag()

Summary: Done manually.

Test Plan: Loaded homepage.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4509

src/applications/macro/controller/PhabricatorMacroListController.php

@@ -129,7 +129,7 @@ final class PhabricatorMacroListController
         }
         $datetime = phabricator_date($file->getDateCreated(), $viewer);
         $item->appendChild(
-          phutil_render_tag(
+          phutil_tag(
             'div',
             array(),
             pht('Created on %s', $datetime)));