[ticket/12845] Remove invalid ARIA role for breadcrumbs

PHPBB3-12845
Merge pull request #2740 from PayBas/ticket/12845

[ticket/12845] Fix invalid ARIA role for breadcrumbs

* PayBas/ticket/12845:
  [ticket/12845] Remove invalid ARIA role for breadcrumbs
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12845] Remove invalid ARIA role for breadcrumbs