Use admin table settings component to render featured settings

Now, with the same template we can render all kind of settings.

app/models/setting.rb

@@ -7,16 +7,6 @@ class Setting < ApplicationRecord
     key.split(".").first
   end
 
-  def type
-    if %w[feature process proposals map html homepage uploads sdg machine_learning].include? prefix
-      prefix
-    elsif %w[remote_census].include? prefix
-      key.rpartition(".").first
-    else
-      "configuration"
-    end
-  end
-
   def enabled?
     value.present?
   end
@@ -25,6 +15,10 @@ class Setting < ApplicationRecord
     key.split(".").last == "content_types"
   end
 
+  def feature?
+    %w[feature process sdg].include?(prefix)
+  end
+
   def content_type_group
     key.split(".").second
   end