How to delete 11k tags

[beerForo]

I have 10,979 tags. They are not really tags, however.
If I click "View" on the tag in acp it says: "You do not have permission to view this page or perform this action."
I don't think any of these tags are attached to any posts, it looks like an import error from way back when, coming from vB, and only the list was imported.
How would I remove them? Thanks
How to delete 11k tags

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