opencore bootloader menu: cannot get rid of "EFI" menu item

The opencore documentation says: "HideSelf: If you want to hide EFI partion on OC Bootloader choose YES"

But apparently HideSelf has been removed in a recent version. I added it to my config.plist and was given an error saying it wasn't valid.

That seems like exactly the setting I need to get rid of the "EFI" menu item that is definitely the EFI partition from my Catalina Hackintosh. But that setting no longer exists.

How can I get rid of this?

submitted by /u/thommstark
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