Remove role color highlighting from custom css (#33493)

app/controllers/custom_css_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class CustomCssController < ActionController::Base # rubocop:disable Rails/ApplicationController
-  before_action :set_user_roles
-
   def show
     expires_in 3.minutes, public: true
     render content_type: 'text/css'
@@ -14,8 +12,4 @@ class CustomCssController < ActionController::Base # rubocop:disable Rails/Appli
     Setting.custom_css
   end
   helper_method :custom_css_styles
-
-  def set_user_roles
-    @user_roles = UserRole.providing_styles
-  end
 end

app/models/user_role.rb

@@ -101,9 +101,6 @@ class UserRole < ApplicationRecord
   before_validation :set_position
 
   scope :assignable, -> { where.not(id: EVERYONE_ROLE_ID).order(position: :asc) }
-  scope :highlighted, -> { where(highlighted: true) }
-  scope :with_color, -> { where.not(color: [nil, '']) }
-  scope :providing_styles, -> { highlighted.with_color }
 
   has_many :users, inverse_of: :role, foreign_key: 'role_id', dependent: :nullify
 

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 %>