If you want to hide products from the Shopify online store then this settings can only be done from Shopify.
To hide products from Shopify online store,
Please go to Products>>Sales Channel>>Manage Sales Channel>>Deselect Online Store>>Done.
Please note that if you have hided products from Shopify online store then the same will not be hidden in Swipe.
All the product added from Shopify will be shown on the product dashboard in Swipe.