!13036 修改示例代码错误，删除locationEventListener

Merge pull request !13036 from 刘彬俊/OpenHarmony-3.1-Release

zh-cn/application-dev/reference/apis/js-apis-geolocation.md

@@ -481,7 +481,7 @@ getCurrentLocation(request?: CurrentLocationRequest) : Promise<Location>
   
   ```
   var requestInfo = {'priority': 0x203, 'scenario': 0x300,'maxAccuracy': 0};
-  locationEventListener.getCurrentLocation(requestInfo).then((result) => {
+  geolocation.getCurrentLocation(requestInfo).then((result) => {
       console.log('current location: ' + JSON.stringify(result));
   });
   ```