[5.0] Remove "updateContentTypes" method from script.php#40281

HLeithner merged 2 commits intojoomla:5.0-devjoomla/joomla-cms:5.0-devfrom

richard67:5.0-dev-script-php-clean-up-postflight-content-typesrichard67/joomla-cms:5.0-dev-script-php-clean-up-postflight-content-typesCopy head branch name to clipboard