You can just reprocess the Pickup app from the TEP Agent application. As long as you don’t open the Pickup app again, you’ll stop receiving notifications.
Elaborating on what Greenandred said you can chatbot if something is missing (Routines>Food & Beverage>Produce and Floral>Order Guides). Sometimes when a specific product is out of stock in the DC they also temporarily take it off the order guide. I know at my store cranberries were missing for...