I've changed my mind about having Safari/iCloud Keychain never remember my password for a given website. I'd like to remove that setting and store the password, but I can't find any ability to delete/change it anywhere. I've already gone into Settings->Safari->Passwords & Autofill -> Saved Passwords, and the website in question does not show up in the list with a 'never' entry to delete.
How can I make Safari forget to keep forgetting this login info?