slapos_web: vifib_hosting is not needed on rss skin layer

master/bt5/slapos_web/RegisteredSkinSelectionTemplateItem/registered_skin_selection.xml

@@ -17,7 +17,7 @@
  </skin_folder_selection>
  <skin_folder_selection>
   <skin_folder>vifib_hosting</skin_folder>
-  <skin_selection>Hosting,RSS</skin_selection>
+  <skin_selection>Hosting</skin_selection>
  </skin_folder_selection>
  <skin_folder_selection>
   <skin_folder>vifib_hosting_theme</skin_folder>

master/bt5/slapos_web/bt/template_registered_skin_selection_list

@@ -3,7 +3,6 @@ erp5_km_theme | Hosting
 erp5_xhtml_style | Hosting
 slapos_rss | RSS
 vifib_hosting | Hosting
-vifib_hosting | RSS
 vifib_hosting_theme | Hosting
 vifib_jauks_theme | Hosting
 vifib_jauks_widget_library | Hosting