Simplify RSS self link

layouts/_default/rss.xml

@@ -13,9 +13,7 @@
 {{ printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
     <channel>
-        {{ with $page.OutputFormats.Get "RSS" }}
+        {{ printf `<atom:link href="%s" rel="self" type="application/rss+xml"/>` ($page.Permalink | safeURL) | safeHTML }}
-            {{ printf `<atom:link href="%s" rel="self" type="%s"/>` .Permalink .MediaType | safeHTML }}
-        {{ end }}
         {{ with site.Copyright }}
             <copyright>{{ . }}</copyright>
         {{ end }}