Remove some unnecessary code from last commit.

src/applications/buildbot/controller/PhabricatorBuildbotController.php

@@ -5,12 +5,6 @@
  */
 final class PhabricatorBuildbotController extends PhabricatorController {
 
-  public function buildApplicationCrumbs() {
-    $crumbs = parent::buildApplicationCrumbs();
-
-    return $crumbs;
-  }
-
   public function shouldAllowPublic() {
     return true;
   }