Issue 5593 - Stop updating the stats in the popup in real-time

stats.js

Index: stats.js
diff --git a/stats.js b/stats.js
index 67be84c595cf739f699b705cd912b07a5b25d6be..1c5845df4b90f3b88ee05f3f867c74cbedffcf0e 100644
--- a/stats.js
+++ b/stats.js
@@ -21,10 +21,6 @@
 
 (function()
 {
-  const {require} = ext.backgroundPage.getWindow();
-
-  const {FilterNotifier} = require("filterNotifier");
-
   let currentTab;
   const shareURL = "https://adblockplus.org/";
 
@@ -91,17 +87,10 @@
       currentTab = tabs[0];
       updateStats();
 
-      FilterNotifier.on("filter.hitCount", updateStats);
-
       document.getElementById("stats-container").removeAttribute("hidden");
     });
   }
 
-  function onUnload()
-  {
-    FilterNotifier.off("filter.hitCount", updateStats);
-  }
-
   function updateStats()
   {
     let statsPage = document.getElementById("stats-page");
@@ -148,5 +137,4 @@
   }
 
   document.addEventListener("DOMContentLoaded", onLoad, false);
-  window.addEventListener("unload", onUnload, false);
 }());