Don't show 'needs review' on DifferentialObjects

Summary:
This text is overly repetitive and is not super important. Keeps the other states. Also

- Easier to parse reviewers now
- Mobile is less janky

Test Plan:
reload my list of diffs

{F138756}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D8707

src/applications/differential/view/DifferentialRevisionListView.php

@@ -138,7 +138,10 @@ final class DifferentialRevisionListView extends AphrontView {
         $item->addAttribute($draft);
       }
 
+      /* Most things 'Need Review', so accept it's the default */
+      if ($status != ArcanistDifferentialRevisionStatus::NEEDS_REVIEW) {
         $item->addAttribute($status_name);
+      }
 
       // Author
       $author_handle = $this->handles[$revision->getAuthorPHID()];