Remove unused revisionID and whitespace properties from diff TOC view

Summary: Ref T2183. These properties are not used and not useful.

Test Plan: Grepped for callsites and uses. Loaded revisions.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T2183

Differential Revision: https://secure.phabricator.com/D13906

src/applications/differential/controller/DifferentialRevisionViewController.php

@@ -359,8 +359,6 @@ final class DifferentialRevisionViewController extends DifferentialController {
     }
     $toc_view->setDiff($target);
     $toc_view->setUser($user);
-    $toc_view->setRevisionID($revision->getID());
-    $toc_view->setWhitespace($whitespace);
 
     $comment_form = null;
     if (!$viewer_is_anonymous) {