[ticket/12283] Remove obsolete online class from posting review page

PHPBB3-12283
Merge remote-tracking branch 'vsephpbb/ticket/12283' into develop-ascraeus

* vsephpbb/ticket/12283:
  [ticket/12283] Remove obsolete online class from posting review page
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12283] Remove obsolete online class from posting review page