message: TZ identifier no longer needed.
diff: <div class="community-review--who">
  <star-rating rating="review.rating" read-only></star-rating>
  <div ng-bind="review.reviewer.displayName" ng-class="{'community-review--who__special': review.isHighlighted}"></div>
  - <div ng-bind="review.timestamp | utcToLocal:'mediumDate' : 'UTC'"></div>
  + <div ng-bind="review.timestamp | utcToLocal:'mediumDate'"></div>
  </div>
  <div ng-bind="review.review"></div>
  </div>
  