chore: Remove debug logs from shipping toggle

Cleaned up all debug logging now that toggle works perfectly.

Removed:
- Backend error_log statements
- Frontend console.log statements
- Kept only essential code

Result: Clean, production-ready code ✅

admin-spa/src/routes/Settings/Shipping.tsx

@@ -38,18 +38,7 @@ export default function ShippingPage() {
   // Fetch shipping zones from WooCommerce
   const { data: zones = [], isLoading, refetch } = useQuery({
     queryKey: ['shipping-zones'],
-    queryFn: async () => {
-      const data = await api.get('/settings/shipping/zones');
-      console.log('[Shipping] Fetched zones:', data);
-      // Log each zone's methods
-      data.forEach((zone: any) => {
-        console.log(`[Shipping] Zone "${zone.name}" (ID: ${zone.id}):`, zone.rates);
-        zone.rates?.forEach((rate: any) => {
-          console.log(`  - ${rate.name}: enabled=${rate.enabled}`);
-        });
-      });
-      return data;
-    },
+    queryFn: () => api.get('/settings/shipping/zones'),
     staleTime: 5 * 60 * 1000, // 5 minutes
   });