[ticket/12297] Delete user_from column on update

PHPBB3-12297
Merge remote-tracking branch 'Elsensee/ticket/12297' into develop-ascraeus

* Elsensee/ticket/12297:
  [ticket/12297] Delete user_from column on update
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12297] Delete user_from column on update