message: Lint and extend `hide-tips.css`
diff: -/* Remove the "Styling with Markdown is supported" link when a PR comment is in edit mode */
  -a.tabnav-extra[href$='mastering-markdown/'] {
  - display: none !important;
  -}
  -
  -/* Remove the "helpful" banner on the issue tracker listing */
  -.repository-content .mb-4.js-notice {
  - display: none !important;
  -}
  -
  -/* Remove the "helpful" popover on the repo label page */
  -.labels-list .TutorialPopover {
  - display: none !important;
  -}
  -
  -/* Remove "Continuous integration has not been set up" message on PRs */
  -.branch-action-item.marketplace-product-callout {
  - display: none;
  -}
  -
  -/* Remove "pro tip!" box on profile page (appears when name isn't set) */
  -.new-user-avatar-cta {
  - display: none !important;
  -}
  -
  /* Remove random protip at the bottom of some pages */
  +.protip, /* Conversations */
  +.js-notifications-list-protip, /* "Save" and "Done" notification lists */
  .paginate-container + .text-center:last-child, /* Conversation lists */
  -.js-notifications-container .js-navigation-container + .flex-items-center:last-child { /* Notification list */
  - display: none !important;
  -}
  -
  -/* Remove Marketplace marketing box on PRs */
  -.js-marketplace-callout-container {
  +.js-notifications-container :is(.octicon-light-bulb, .octicon-light-bulb + div) { /* Notifications inbox */
  display: none !important;
  }
  