removes requires already present in active_support/rails

actionpack/lib/abstract_controller/rendering.rb

@@ -1,6 +1,4 @@
 require "abstract_controller/error"
-require "active_support/concern"
-require "active_support/core_ext/class/attribute"
 require "action_view"
 require "action_view/view_paths"
 require "set"

actionpack/lib/action_dispatch/routing/route_set.rb

@@ -1,5 +1,4 @@
 require "action_dispatch/journey"
-require "active_support/concern"
 require "active_support/core_ext/object/to_query"
 require "active_support/core_ext/hash/slice"
 require "active_support/core_ext/module/remove_method"

actionview/lib/action_view/template.rb

@@ -1,6 +1,5 @@
 require "active_support/core_ext/object/try"
 require "active_support/core_ext/kernel/singleton_class"
-require "active_support/core_ext/module/delegation"
 require "thread"
 
 module ActionView

activejob/lib/active_job/queue_adapter.rb

@@ -1,5 +1,4 @@
 require "active_job/queue_adapters/inline_adapter"
-require "active_support/core_ext/class/attribute"
 require "active_support/core_ext/string/inflections"
 
 module ActiveJob

activejob/test/support/integration/test_case_helpers.rb

@@ -1,4 +1,3 @@
-require "active_support/concern"
 require "active_support/core_ext/string/inflections"
 require "support/integration/jobs_manager"
 

activemodel/lib/active_model/naming.rb

@@ -1,7 +1,6 @@
 require "active_support/core_ext/hash/except"
 require "active_support/core_ext/module/introspection"
 require "active_support/core_ext/module/remove_method"
-require "active_support/core_ext/module/delegation"
 
 module ActiveModel
   class Name

activerecord/lib/active_record/relation/delegation.rb

@@ -1,5 +1,3 @@
-require "active_support/concern"
-
 module ActiveRecord
   module Delegation # :nodoc:
     module DelegateCache # :nodoc: