update swell consts, cleanup cart types

framework/swell/cart/use-update-item.tsx

@@ -14,7 +14,6 @@ import useCart from './use-cart'
 import { handler as removeItemHandler } from './use-remove-item'
 import type { Cart, LineItem, UpdateCartItemBody } from '../types'
 import { checkoutToCart } from './utils'
-import { Mutation, MutationCheckoutLineItemsUpdateArgs } from '../schema'
 
 export type UpdateItemInput<T = any> = T extends LineItem
   ? Partial<UpdateItemInputBase<LineItem>>
@@ -46,12 +45,10 @@ export const handler = {
         message: 'The item quantity has to be a valid integer',
       })
     }
-    const response = await fetch<Mutation, MutationCheckoutLineItemsUpdateArgs>(
-      {
-        ...options,
-        variables: [item.itemId, { quantity: item.quantity }],
-      }
-    )
+    const response = await fetch({
+      ...options,
+      variables: [item.itemId, { quantity: item.quantity }],
+    })
 
     return checkoutToCart(response)
   },