Update solution.js

path is not needed

problems/jade/solution.js

@@ -1,9 +1,8 @@
-var path = require('path')
 var express = require('express')
 var app = express()
 app.set('view engine', 'jade')
 app.set('views', process.argv[3])
 app.get('/home', function(req, res) {
   res.render('index', {date: new Date().toDateString()})
 })
-app.listen(process.argv[2])
+app.listen(process.argv[2])