removed mongoose

mongoose.js

-const mongoose = require('mongoose');
-
-
-mongoose.Promise = global.Promise;
-mongoose.connect('mongodb://localhost/botday', { useNewUrlParser: true })
-    .then(() => console.log('[mongoose] Connection succesful'))
-    .catch((err) => console.error(err));
-
-module.exports = mongoose;
\ No newline at end of file