Deleted unnecessary files

-import {franc} from 'franc';
-import langs from 'langs';
-
-function getLang(se) {
-    let langCode = "";
-    if(se.length < 10) {
-        langCode = franc(se, {minLength:`${se.length}`});
-    } else {
-        langCode = franc(se);
-    }
-    return langs.where('3', langCode).local;
-}
-
-export {getLang};
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-//https://developers.google.com/youtube/v3/docs/commentThreads/list
-//http://khuhub.khu.ac.kr/2019102147/youtube-comment-seperator.git
-
-const apiKey = 'AIzaSyCjBrFKnBlGvxsfOD-qJP8nBkdEoqKRHu8';
-let videoNum = "m1gHR4dJhKU";
-const {google} = require("googleapis");
-const service = google.youtube('v3');
-var npt = ""
-
-for(let i = 0; i < 3; i++){
-    console.log(npt);
-    service.commentThreads.list({
-        "key":apiKey,
-        "part":[
-            "snippet, replies"
-        ],
-        "videoId":videoNum,//비디오 주소
-        "maxResults" : 10,
-        "pageToken" : npt
-    }).then(function(response) {
-        console.log("Response", response);
-        console.log(response.data.items[0].snippet.topLevelComment.snippet.textDisplay);
-        console.log(response.data.items[1].snippet.topLevelComment.snippet.textDisplay);
-        npt = JSON.parse(response.data.nextPageToken);
-    },
-    function(err) { console.error("Execute error", err); });
-}
-
-
-/*
-service.comments.list({
-    "key": apiKey,
-    "part": [
-        "snippet"
-      ],
-      "parentId": "UgzDE2tasfmrYLyNkGt4AaABAg"
-}).then(function(response) {
-    // Handle the results here (response.result has the parsed body).
-    console.log("Response", response);
-    console.log(response.data.items)
-  },
-  function(err) { console.error("Execute error", err); });
-
-const {YoutubeDataAPI} = require("youtube-v3-api");
-const {google} = require("googleapis");
-
-const api = new YoutubeDataAPI(apiKey);
-
-api.searchComments("https://youtu.be/m1gHR4dJhKU").then((data)=>{
-    console.log(data);
-    console.log(data.pageInfo);
-},(err)=>{
-    console.error(err);
-})
-*/
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