Issue 3444 - Remove migration code, resetting Prefs.hidePlaceholders

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 66 matching lines @@
       previousVersion = null;
     }
 
     if (previousVersion != info.addonVersion || FilterStorage.firstRun)
     {
       seenDataCorruption = previousVersion && FilterStorage.firstRun;
       Prefs.currentVersion = info.addonVersion;
       addSubscription(previousVersion);
     }
 
-    // The "Hide placeholders" option has been removed from the UI in 1.8.8.1285
-    // So we reset the option for users updating from older versions.
-    if (previousVersion && Services.vc.compare(previousVersion, "1.8.8.1285") < 0)
-      Prefs.hidePlaceholders = true;
-
     initNotifications();
 
     // Update browser actions and context menus when whitelisting might have
     // changed. That is now when initally loading the filters and later when
     // importing backups or saving filter changes.
     FilterNotifier.addListener(function(action)
     {
       if (action == "load" || action == "save")
         refreshIconAndContextMenuForAllPages();
     });
@@ skipping 328 matching lines @@
   }
 });
 
 // update icon when page changes location
 ext.pages.onLoading.addListener(function(page)
 {
   page.sendMessage({type: "clickhide-deactivate"});
   refreshIconAndContextMenu(page);
   showNextNotificationForUrl(page.url);
 });