Call super in deactivate/activate in main/recent route

The problem that I identified earlier as a Safari bug turned out to be a
bug in main/recent route. Not calling super in deactivate resulted in
code to remove observer not being executed at all.

app/routes/main-tab.coffee

@@ -17,9 +17,6 @@ Route = TravisRoute.extend
   deactivate: ->
     @controllerFor('repos').removeObserver('firstObject', this, 'currentRepoDidChange')
 
-  resetController: ->
-    @controllerFor('repos').removeObserver('firstObject', this, 'currentRepoDidChange')
-
   currentRepoDidChange: ->
     if repo = @controllerFor('repos').get('firstObject')
       @controllerFor('repo').set('repo', repo)

app/routes/main/recent.coffee

@@ -5,9 +5,11 @@ Route = MainTabRoute.extend
   reposTabName: 'recent'
 
   activate: ->
+    @_super.apply(this, arguments)
     @store.set('isRecentTabOpen', true)
 
   deactivate: ->
+    @_super.apply(this, arguments)
     @store.set('isRecentTabOpen', false)
 
 `export default Route`