Can't remove a dangling category created by the Babble plugin

Can’t you just hide the category?

You can delete from the CLI

first, look at /categories.json with a browser to get the id # of the category.

If the category id is 27, then, in the CLI:

/launcher
rails c
Topic.where(category_id: 27).destroy_all
then
Category.where(id: 27).destroy_all
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