perf: [production-orders] stats API 이중 호출 제거

src/app/[locale]/(protected)/sales/order-management-sales/production-orders/page.tsx

@@ -10,7 +10,7 @@
  * - 서버사이드 페이지네이션
  */
 
-import { useState, useEffect, useCallback } from "react";
+import { useState, useCallback } from "react";
 import { useRouter } from "next/navigation";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent } from "@/components/ui/card";
@@ -181,15 +181,6 @@ export default function ProductionOrdersListPage() {
     completed: 0,
   });
 
-  // 통계 로드
-  useEffect(() => {
-    getProductionOrderStats().then((result) => {
-      if (result.success && result.data) {
-        setStats(result.data);
-      }
-    });
-  }, []);
-
   const handleBack = () => {
     router.push("/sales/order-management-sales");
   };