Revert "Promote phutil-tag again"

This reverts commit 8fbabdc06d, reversing
changes made to 2dab1c1e42.

src/infrastructure/diff/PhabricatorInlineCommentController.php

@@ -71,7 +71,7 @@ abstract class PhabricatorInlineCommentController
         $dialog->setTitle('Really delete this comment?');
         $dialog->addHiddenInput('id', $this->getCommentID());
         $dialog->addHiddenInput('op', 'delete');
-        $dialog->appendChild(hsprintf('<p>Delete this inline comment?</p>'));
+        $dialog->appendChild('<p>Delete this inline comment?</p>');
 
         $dialog->addCancelButton('#');
         $dialog->addSubmitButton('Delete');