remove shit

express-server/app.js

@@ -2,7 +2,6 @@ var createError = require('http-errors');
 var express = require('express');
 var path = require('path');
 var logger = require('morgan');
-var cors = require('cors');
 
 var indexRouter = require('./routes/index');
 var usersRouter = require('./routes/users');
@@ -17,7 +16,6 @@ app.use(logger('dev'));
 app.use(express.json());
 app.use(express.urlencoded({ extended: false }));
 app.use(express.static(path.join(__dirname, 'public')));
-app.use(cors());
 
 app.use('/', indexRouter);
 app.use('/users', usersRouter);