remove maintenance from app, as it is now a .html file

app/router.coffee

@@ -52,7 +52,6 @@ Router.map ->
       @resource 'account', path: '/:login'
       @route 'info', path: '/info'
 
-  @route 'maintenance', path: '/maintenance'
   @route 'error500', path: '/500'
   @route 'error404', path: '/*path'
 

app/templates/maintenance.hbs

@@ -1,11 +0,0 @@
-<div class="maintenance-bg full-size">
-  <div class="hill-left full-size"></div>
-  <div class="hill-right full-size"></div>
-  <div class="shadow-left full-size"></div>
-  <div class="shadow-right full-size"></div>
-</div>
-<div class="maintenance-tractor full-size"></div>
-<div class="maintenance-text">
-  <h1>Under Maintenance</h1>
-  <p>Stay up to date with Travis CI by <a href="https://twitter.com/travisci" title="Travis CI on Twitter">following us <span class="icon-twitter"></span></a></p>
-</div>

app/views/maintenance.coffee

@@ -1,7 +0,0 @@
-`import BasicView from 'travis/views/basic'`
-
-View = BasicView.extend
-  layoutName: 'layouts/error'
-  classNames: ['error maintenance']
-
-`export default View`