Breaking: #68206 - Remove usage of typolist and typohead in RTE

See Issue #68206

Description

The transformation for the tags typolist and typohead have been removed from the RTE. The option and method internalizeFontTags() from RteHtmlParser have been removed.

Impact

The tags are not processed anymore by the RteHtmlParser. Fonts are not internalized anymore.

Affected Installations

All installations using the custom tags typolist and typohead. All installations that use the method internalizeFontTags() will throw an fatal error.

Migration

Substitute the tags by a tag ul``or `header. Remove any usage of internalizeFontTags()