Hello,
Yes, you're right. You need to remove the zoneTopInfo div element and all its content. Moreover it's necessary to remove following definitions from
Root.master.cs file:
//this.lnkCMSDesk.NavigateUrl = this.ResolveUrl("~/CMSPages/logon.aspx?ReturnUrl=~/cmsdesk/default.aspx&username=administrator");
//this.lnkSiteManager.NavigateUrl = this.ResolveUrl("~/CMSPages/logon.aspx?ReturnUrl=~/cmssitemanager/default.aspx&username=administrator");
Best regards
Ondrej Vasil