remove unneeded uses_redux_shared_store helper function

Author: AbanoubGhadban

spec/dummy/app/controllers/application_controller.rb

@@ -19,23 +19,4 @@ class ApplicationController < ActionController::Base
     redirect_to server_side_log_throw_raise_invoker_path,
                 flash: { error: msg }
   end
-
-  helper_method :uses_redux_shared_store?
-
-  # Returns true if the current page uses Redux shared stores with inline registration
-  # These pages require defer: true instead of async: true for proper script execution order
-  def uses_redux_shared_store?
-    # Pages that use redux_store helper with inline component registration
-    action_name.in?(%w[
-                      index
-                      server_side_redux_app
-                      server_side_redux_app_cached
-                      server_side_hello_world_shared_store
-                      server_side_hello_world_shared_store_defer
-                      server_side_hello_world_shared_store_controller
-                      client_side_hello_world_shared_store
-                      client_side_hello_world_shared_store_defer
-                      client_side_hello_world_shared_store_controller
-                    ])
-  end
 end