중복 코드 제거

src/components/map/mapbox/feature/FeatureAirZone.js

@@ -1,12 +1,9 @@
 import '../../../../assets/css/custom.css';
 import { useEffect, useState } from 'react';
-import geoJson from '../../geojson/airArea.json';
-import * as turf from '@turf/turf';
 import towerImg from '../../../../assets/images/transmission_tower_icon.png';
 import uamRouteArea from '../../geojson/uamRouteArea.json';
 import uamTowerArea from '../../geojson/uamTowerArea.json';
 import axios from '../../../../modules/utils/customAxiosUtil';
-import { useEffect } from 'react';
 import geoJson from '../../geojson/airArea.json';
 import * as turf from '@turf/turf';