Merge pull request #2244 from vikhyat/css-import

Site Customization @import fixes

app/views/common/_discourse_stylesheet.html.erb

@@ -1,10 +1,8 @@
 <%- unless SiteCustomization.override_default_style(session[:preview_style]) %>
   <% if mobile_view? %>
     <%= stylesheet_link_tag "mobile" %>
-    <%= stylesheet_link_tag "plugins_mobile" %>
   <% else %>
     <%= stylesheet_link_tag "desktop" %>
-    <%= stylesheet_link_tag "plugins" %>
   <% end %>
 <%- end %>