Ah, so you're also changing the type! I completely missed that in your post. That changes a lot of things, as that's generally a bad idea to do with Ploppable RICO. I haven't tried it with the new one, but the old version of the mod couldn't do that reliably.
If you don't have any other buildings, you have RICO settings for, then the easiest way to reset them, is to delete the LocalRICOSettings.xml file (go to local files through Steam to find it). If you have settings for other buildings you want to keep, there are 2 ways to go about that.
You can do it in game through the settings panel, which will be easiest if you remember the names of the buildings, but you can also just browse the list until you find them.
Or you can edit the LocalRICOSettings.xml file in a text editor like notepad. This is a little more complicated as you can mess up the file if you delete too much or not enough. Each building has a line with all their info, which just delete to ...
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