I am looking for a D8 solution to theme the table view mode.
To start, I would like to remove the main title (the "Legend" tag of the html fieldset).

Note: I know how to use hook_inline_entity_form_table_fields_alter to add/remove columns, I would like to theme what is **outside** the table.

After the remove of the title, I would like to remove the headers of the table ("Title", "Status", "Operations"...)

In fact, if someone have a solution, I would like to get rid of this table view mode.. My final goal is to have a very simple view mode showing only one field and the 2 action button..