Update app.js

@@ -4,25 +4,9 @@ const line = require('@line/bot-sdk');
 var https=require('https');
 const fs = require('fs');
 
-var key = fs.readFileSync('/etc/letsencrypt/live/oss.chatbot.bu.to/privkey.pem');
-var cert = fs.readFileSync('/etc/letsencrypt/live/oss.chatbot.bu.to/cert.pem');
-var ca = fs.readFileSync('/etc/letsencrypt/live/oss.chatbot.bu.to/fullchain.pem');
-
-https.createServer({
-key: key,
-cert: cert,
-ca: ca
-}, app).listen(80,()=>{
-  console.log('server on 80');
-});
-
-https.createServer({
-  key: key,
-  cert: cert,
-  ca: ca
-  }, app).listen(443,()=>{
-    console.log('server on 443');
-  });
+app.listen(443,()=>{
+    console.log("server on 443");
+})
 
 //papago api
 var request = require('request');