Remove obsolete render_theme_with_context

app/helpers/theme_helper.rb

@@ -1,57 +1,4 @@
 module ThemeHelper
-  def render_theme_with_context(context = {})
-    klass = Class.new do
-      def initialize(hash = {})
-        if hash.is_a? ApplicationRecord
-          x = [
-            :primary_color, :primary_text,
-            :danger_color, :danger_text,
-            :success_color, :success_text,
-            :warning_color, :warning_text,
-            :info_color, :info_text,
-            :default_color, :default_text,
-            :panel_color, :panel_text,
-            :link_color, :background_color,
-            :background_text, :background_muted,
-            :input_color, :input_text,
-            :outline_color
-          ]
-
-          x.each do |v|
-            next if hash[v].nil?
-            self.instance_variable_set "@#{v}", ('#' + ('0000000' + hash[v].to_s(16))[-6, 6])
-          end
-        elsif hash.is_a? Hash
-          hash.each do |k, v|
-            next unless v.is_a? Integer
-
-            self.instance_variable_set "@#{k}", ('#' + ('0000000' + hash[k].to_s(16))[-6, 6])
-          end
-        end
-      end
-
-      def render
-        style = if Rails.env == 'production'
-          :compressed
-        else
-          :compact
-        end.freeze
-
-        css = if $__THEME_CSS_CACHE_V1.nil?
-          File.read Rails.root.join 'app/views/user/theme.css.scss.erb'
-        else
-          $__THEME_CSS_CACHE_V1
-        end
-
-        erb = ERB.new css
-        sass = Sass::Engine.new erb.result(binding), style: style, cache: false, load_paths: [], syntax: :scss
-        return sass.render.to_s
-      end
-    end
-
-    return klass.new(context).render
-  end
-
   def render_theme
     theme_attribute_map = {
       'primary_color' => 'primary',