chore: remove favicon

Author: hongbo-miao

app.js

@@ -1,6 +1,5 @@
 import express from 'express';
 import path from 'path';
-import favicon from 'serve-favicon';
 import logger from 'morgan';
 import bodyParser from 'body-parser';
 

views/layout.jade

@@ -4,7 +4,6 @@ html(lang='en')
     meta(charset='UTF-8')
     meta(name='viewport', content='width=device-width')
     title= title
-    link(rel='icon', href='/img/favicon.ico', type='image/x-icon')
     block css
       link(rel='stylesheet', href='/css/style.css')
   body