Breaking: #82803 - Global configuration option "content_doktypes" removed

See forge#82803

Description

The configuration option $TYPO3_CONF_VARS['FE']['content_doktypes'] which declared what pages.doktypes values could contain content elements, was removed.

Impact

Using this option in custom code will lead to unexpected behaviour.

Changing this option has no effect on TYPO3 Core anymore.

Affected Installations

Installations having this option explicitly set.

Migration

Remove all usages working with this option.