Problem
You cannot find an option to delete the category on the edit page.
Possible cause
The edit page is only used to update the category's information. Deleting a category is done from the product category list.
Solution
Go back to Product categories in the left menu.
Find the category you want to delete.
Click the three dots and select Delete.
If the problem persists, contact support and include details about:
The category name.
When you tried to delete it.