Deleting a section would not work, as articles in that section would have to be reassigned to a different section.
I think the "Items can only be submitted by Editors and Section Editors" option for sections is the closest thing in the current system to what you're asking for. If this option is enabled the section will only be visible to editors and section editors, and not to "regular" authors.
If that does not meet your needs, feel free to submit
a more specific feature request for consideration.