default sanitize for static

app/helpers/admin/application_helper.rb

@@ -66,9 +66,7 @@ module Admin::ApplicationHelper
 
   def prepare_html_for_static(html, university)
     text = html.to_s
-    text = sanitize text,
-                    tags: %w(table figure figcaption strong em b i u p code pre tt samp kbd var sub sup dfn cite big small address hr br span h1 h2 h3 h4 h5 h6 ul ol li dl dt dd abbr acronym a img blockquote del ins),
-                    attributes: %w(rel  href src srcset width height alt cite datetime title class name xml:lang abbr style target)
+    text = sanitize text
     text.gsub! "\r", ''
     text.gsub! "\n", ' '
     text.gsub! "/rails/active_storage", "#{university.url}/rails/active_storage"