MAGNOLIA-6683 added ability to export via YAML and to configure properties to be filtered out when exporting JCR to either XML or YAML.

The UX should offer an additional option to remove additional system properties in the interest of creating cleaner, easier to work with bootstrap files.

To specify: exactly which options should be available to a user.
There should only be a few, easy to understand options - not a list of every property.
See conversation here: https://jira.magnolia-cms.com/browse/MAGNOLIA-6683?focusedCommentId=141911&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-141911