Remove role color highlighting from custom css (#33493)

app/views/admin/roles/_role.html.haml

@@ -1,7 +1,7 @@
 .announcements-list__item
   - if can?(:update, role)
     = link_to edit_admin_role_path(role), class: 'announcements-list__item__title' do
-      %span.user-role{ class: "user-role-#{role.id}" }
+      %span.user-role
         = material_symbol 'group'
 
         - if role.everyone?
@@ -10,7 +10,7 @@
           = role.name
   - else
     %span.announcements-list__item__title
-      %span.user-role{ class: "user-role-#{role.id}" }
+      %span.user-role
         = material_symbol 'group'
 
         - if role.everyone?

app/views/custom_css/show.css.erb

@@ -2,9 +2,3 @@
 <%= raw custom_css_styles %>
 
 <%- end %>
-<%- @user_roles.each do |role| %>
-.user-role-<%= role.id %> {
-  --user-role-accent: <%= role.color %>;
-}
-
-<%- end %>