Remove observers and sweepers

They was extracted from a plugin.

See https://github.com/rails/rails-observers

[Rafael Mendonça França + Steve Klabnik]

1 files changed, 0 insertions, 10 deletions

diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb
index a73473f59c..624d2784e8 100644
--- a/activerecord/lib/active_record/railtie.rb
+++ b/activerecord/lib/active_record/railtie.rb
@@ -168,15 +168,5 @@ module ActiveRecord
       path = app.paths["db"].first
       config.watchable_files.concat ["#{path}/schema.rb", "#{path}/structure.sql"]
     end
-
-    config.after_initialize do |app|
-      ActiveSupport.on_load(:active_record) do
-        instantiate_observers
-
-        ActionDispatch::Reloader.to_prepare do
-          ActiveRecord::Base.instantiate_observers
-        end
-      end
-    end
   end
 end