The footer is a custom layout component. This item is fixed and can't be removed.
There is three simple ways to build the footer:
Slot
The default choice. The footer is built by the engineer team and integrated directly
Scrapped-html
This choice uses an element created through the scrapper to generate the footer. This element need to use a HTML format to be added
Scrapped-block
This choice uses an element created through the scrapper to generate the footer. This element need to use a Text format to be added