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

See forge#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 ulor header. Remove any usage of internalizeFontTags()`