Sergey Biryukov 1db4b029c3 Taxonomy: Optimize wp_delete_term() for large object counts without a default term. ...

When deleting a term, it has to be removed individually from each object it's connected to, which can take some significant time when there are a lot of objects.

By calling `wp_remove_object_terms()` when no default term is required, we can skip the terms fetch/diff step and significantly speed up the deletion process.

Props dd32.
Fixes #52549.
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2021-02-19 14:31:08 +00:00

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