message: Undo diffbar bugfix that's no longer necessary
  Long time ago:
  Today:
diff: @@ -417,21 +417,6 @@ td.js-line-comments:last-child .timeline-comment-actions .add-reaction-popover::
  display: none !important;
  }
  -
  -/* Fix PR diffbar links position #474 */
  -.stale-files-tab,
  -.subset-files-tab {
  - font-size: 0 !important;
  -}
  -.subset-files-tab .stale-files-tab-link,
  -.stale-files-tab .stale-files-tab-link {
  - font-size: 14px;
  -}
  -.subset-files-tab .stale-files-tab-link::before {
  - content: 'Subset of changes. ';
  - font-weight: normal;
  -}
  -
  /* Multiple comment labels margin */
  .timeline-comment .timeline-comment-label + .timeline-comment-label {
  margin-right: -5px;
  