fix(api): remove unused listOrdersByConsumer helper

The function performed client-side filtering on top of listOrders
but was never called by any page. listPlayersByShop is kept as-is
since the backend has no dedicated shop players endpoint.

lib/api/index.ts

@@ -13,7 +13,7 @@ export {
   markAllNotificationsAsRead,
   markNotificationAsRead,
 } from "./notifications"
-export { getOrderById, listOrders, listOrdersByConsumer } from "./orders"
+export { getOrderById, listOrders } from "./orders"
 export { getPlayerById, listPlayers, listPlayersByShop } from "./players"
 export { createPost, getPostById, listPosts, listPostsByAuthor, togglePostLike } from "./posts"
 export { listReviews, listReviewsByOrder, listReviewsByTargetUser } from "./reviews"