I have a content type which all of my users can create instances of. The last text area has a section listing the particulars of the text format. I would like to disable this area so that the test format does not explain itself, and all the user sees is a text area.
You can use the Simplify module for this.
It describes itself as follows:
Simplify allows particular fields to be hidden from the user interface. This helps to de-clutter forms and present a more user-friendly experience to content editors.