use http by default

server.js

@@ -1,5 +1,3 @@
-const fs = require('fs');
-
 // Listen on a specific host via the HOST environment variable
 var host = process.env.HOST || '0.0.0.0';
 // Listen on a specific port via the PORT environment variable
@@ -44,13 +42,7 @@ cors_proxy.createServer({
   httpProxyOptions: {
     // Do not add X-Forwarded-For, etc. headers, because Heroku already adds it.
     xfwd: false,
-  },
-    httpsOptions: {
-        pfx: fs.readFileSync('test_cert.pfx'),
-        passphrase: 'sample',
-        rejectUnauthorized:false
-
-    }
+  }
 }).listen(port, host, function() {
   console.log('Running CORS Anywhere on ' + host + ':' + port);
 });