Remove release notes in 4.0 for things backported to 3.0.1

docs/releases/4.0.md

@@ -51,15 +51,12 @@ When using a queryset to render a list of images, you can now use the ``prefetch
  * Throw a meaningful error when saving an image to an unrecognised image format (Christian Franke)
  * Remove extra padding for headers with breadcrumbs on mobile viewport (Steven Steinwand)
  * Replace `PageRevision` with generic `Revision` model (Sage Abdullah)
- * Ensure the upgrade notification request for the latest release, which can be disabled via the `WAGTAIL_ENABLE_UPDATE_CHECK` sends the referrer origin with `strict-origin-when-cross-origin` (Karl Hobley)
  * Ensure radio buttons / checkboxes display vertically under Django 4.0 (Matt Westcott)
  * Ensure that custom document or image models support custom tag models (Matt Westcott)
  * Ensure comments use translated values for their placeholder text (Stefan Hammer)
  * Ensure the upgrade notification, shown to admins on the dashboard if Wagtail is out of date, content is translatable (LB (Ben) Johnston)
  * Only show the re-ordering option to users that have permission to publish pages within the page listing (Stefan Hammer)
- * Ensure `TabbedInterface` will not show a tab if no panels are visible due to permissions (Paarth Agarwal)
  * Ensure default sidebar branding (bird logo) is not cropped in RTL mode (Steven Steinwand)
- * Specific snippets list language picker was not properly styled (Sage Abdullah)
  * Add an accessible label to the image focal point input when editing images (Lucie Le Frapper)
  * Remove unused header search JavaScript on the redirects import page (LB (Ben) Johnston)
  * Ensure non-square avatar images will correctly show throughout the admin (LB (Ben) Johnston)