New in Style Helper skin object version 02.04.00
Remove all stylesheets in DNN 6.1+
As explained in this blog post http://www.40fingers.net/WeblogsNews/Weblogs/tabid/58/ID/83/language/en-US/Style-Helper-Skin-object-and-DotNetNuke-61.aspx
due to a change in how DotNetNuke handles stylesheet loading, removing stylesheets did not work anymore.
From this version on, if you use DNN 6.1+ and you set the RemoveCssFile attribute to "/", all stylesheets are removed (unless a module loads it on prerender).
You will have to load your own stylesheets using this skin object.
(Please read the blog post mrentioned before for more info)
Release For DNN 5.2+