Resolve "Druckansicht zeigt die Skiplinks in der Druckvorschau an"

Closes #3365

Merge request studip/studip!2637

resources/assets/stylesheets/print.less

@@ -37,7 +37,7 @@ body, input, textarea, td, th, blockquote, p, form, ul, h4 {
 #page-title-container, #responsive-contentbar-container, #sidebar,
 #schedule_icons, #edit_inst_entry,
 .messagebox_buttons a.close, a.button, button.button,
-#skip_link_navigation, .skip_target, .action-menu {
+#skip_link_navigation, #skiplink_list, .skip_target, .action-menu {
     display: none !important;
 }