This method looks over all the items in a cart and removes the
swell_redemption_id specified in the call. You can retrieve the
swell_redemption_id using the swellAPI.getAllCustomerRedemptions() method and locating the ID of the object you’d like to remove within the array.
The ID should go within the parenthesis e.g. swellAPI.getAllCustomerRedemptions(12345)
This method is only supported on Shopify
The Swell redemption identifier
This method is only supported on Shopify.