How can I set up Bold Upsell and Discounts to automatically remove discounted offers if a customer removes the required "must-have" products from their cart?
To remove an offer product when the trigger is no longer met, you'll need to utilize the integration between Bold Upsell and Bold Discounts. More details on the integration can be found here - https://support.boldcommerce.com/hc/en-us/articles/20394975252756-Upsell-Bold-Discounts-Integration.
Pro-Tip: Please ensure you enable the toggle next to "Automatically remove items from the cart if the trigger or conditions are unmet" when creating the offer in Bold Upsell.