Countdown - kill tabs

Summary: pretty simple stuff here.   "View" controller had a 'view' tab selected
which DNE.

Test Plan: viewed countdown, noted no tabs

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, epriestley

Maniphest Tasks: T631

Differential Revision: 1222

src/applications/countdown/controller/base/PhabricatorCountdownController.php

@@ -26,14 +26,6 @@ abstract class PhabricatorCountdownController extends PhabricatorController {
     $page->setBaseURI('/countdown/');
     $page->setTitle(idx($data, 'title'));
     $page->setGlyph("\xE2\x9A\xB2");
-    $page->setTabs(
-      array(
-        'list' => array(
-          'href' => '/countdown/',
-          'name' => 'Countdown List',
-        ),
-      ),
-      idx($data, 'tab'));
     $page->setShowChrome(idx($data, 'chrome', true));
 
     $page->appendChild($view);