Mappins and destinations are only about ADDING new pins to the maps etc., for the stuff which teh vanilla UI does not provide itsself. So the opposite of what you want to achieve.
And it got an addon settings menu! Press ESC key, and choose settings -> addon settings.
If this does not show up properly download the following library and install it like an addon (you can use Minion for this as well):
https://www.esoui.com/downloads/info7-LibAddonMenu.html