message: refactor(docs-infra): merge style rules in `_toc.scss`
  This commit cleans up the styles in `_toc.scss` by merging together
  blocks that target the same elements.
  PR Close
diff: @@ -200,9 +200,12 @@ aio-toc.embedded {
  .toc-heading {
  margin: 0 0 8px;
  }
  - }
  - > div.collapsed li.secondary {
  + &.collapsed {
  + .secondary {
  display: none;
  }
  }
  + }
  +
  +}
  