remove status_code from AD::ShowExceptions and useless requires

actionpack/lib/action_dispatch/middleware/show_exceptions.rb

@@ -1,6 +1,5 @@
 require 'action_dispatch/http/request'
 require 'action_dispatch/middleware/exception_wrapper'
-require 'active_support/deprecation'
 
 module ActionDispatch
   # This middleware rescues any exception returned by the application
@@ -39,11 +38,6 @@ module ActionDispatch
 
     private
 
-    # Define this method because some plugins were monkey patching it.
-    # Remove this after 3.2 is out with the other deprecations in this class.
-    def status_code(*)
-    end
-
     def render_exception(env, exception)
       wrapper = ExceptionWrapper.new(env, exception)
       status  = wrapper.status_code

actionpack/lib/action_view/base.rb

@@ -4,7 +4,6 @@ require 'active_support/core_ext/class/attribute'
 require 'active_support/core_ext/array/wrap'
 require 'active_support/ordered_options'
 require 'action_view/log_subscriber'
-require 'active_support/core_ext/module/deprecation'
 
 module ActionView #:nodoc:
   # = Action View Base