Revert "BUGFIX: notifying on new topics when topic list is not visible"

Was causing load more topics not to show up

This reverts commit f7bf4b2dc3.

app/assets/javascripts/discourse/controllers/discovery_topics_controller.js

@@ -54,9 +54,7 @@ Discourse.DiscoveryTopicsController = Discourse.DiscoveryController.extend({
   daily: Em.computed.equal('period', 'daily'),
 
   updateTitle: function(){
-    if(this.get('enableTitleUpdate')) {
-      Discourse.notifyTitle(this.get('topicTrackingState.incomingCount'));
-    }
+    Discourse.notifyTitle(this.get('topicTrackingState.incomingCount'));
   }.observes('topicTrackingState.incomingCount'),
 
   footerMessage: function() {

app/assets/javascripts/discourse/views/discovery_topics_view.js

@@ -31,14 +31,6 @@ Discourse.DiscoveryTopicsView = Discourse.View.extend(Discourse.LoadMore, {
     }
   },
 
-  didInsertElement: function() {
-    this.set('controller.enableTitleUpdate', true);
-  },
-
-  willDestroyElement: function() {
-    this.set('controller.enableTitleUpdate', false);
-  },
-
   // Remember where we were scrolled to
   saveScrollPosition: function() {
     Discourse.Session.current().set('topicListScrollPosition', $(window).scrollTop());