How do you remove a Category-style (hierarchical) taxonomy metabox?

Non-hierarchical taxonomies (like tags) use tagsdiv-{$tax_name}. Hierarchical taxonomies (like categories) use {$tax_name}div.

This is for historical reasons: categories were placed in categorydiv, tags in tagsdiv. When support for multiple non-hierarchical taxonomies was added, the tagsdiv name was expanded to tagsdiv-{$tax_name}. When finally multiple hierarchical taxonomies were made possible, they choose to generalize categorydiv to {$tax_name}div.

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