chore: 미사용 수주 등록 모듈(orderController) 삭제

- 백엔드: orderController.ts, orderRoutes.ts 삭제
- 프론트엔드: components/order/, order-registration-modal/ 삭제
- app.ts, index.ts, getComponentConfigPanel.tsx에서 참조 제거
- 현재 sales_order_mng 기반 수주 시스템 사용으로 구 모듈 불필요

frontend/lib/utils/getComponentConfigPanel.tsx

@@ -32,8 +32,6 @@ const CONFIG_PANEL_MAP: Record<string, () => Promise<any>> = {
     import("@/lib/registry/components/autocomplete-search-input/AutocompleteSearchInputConfigPanel"),
   "entity-search-input": () => import("@/lib/registry/components/entity-search-input/EntitySearchInputConfigPanel"),
   "modal-repeater-table": () => import("@/lib/registry/components/modal-repeater-table/ModalRepeaterTableConfigPanel"),
-  "order-registration-modal": () =>
-    import("@/lib/registry/components/order-registration-modal/OrderRegistrationModalConfigPanel"),
   // 🆕 조건부 컨테이너
   "conditional-container": () =>
     import("@/lib/registry/components/conditional-container/ConditionalContainerConfigPanel"),
@@ -401,7 +399,6 @@ export const DynamicComponentConfigPanel: React.FC<ComponentConfigPanelProps> =
     "autocomplete-search-input",
     "entity-search-input",
     "modal-repeater-table",
-    "order-registration-modal",
     "conditional-container",
   ].includes(componentId);