Revert "Rails 7 update" (#25667)

config/initializers/new_framework_defaults_7_0.rb

@@ -1,10 +0,0 @@
-# frozen_string_literal: true
-
-# TODO
-# The Rails 7.0 framework default here is to set this true. However, we have a
-# location in devise that redirects where we don't have an easy ability to
-# override a method or set a config option, but where the redirect does not
-# provide this option.
-# https://github.com/heartcombo/devise/blob/v4.9.2/app/controllers/devise/confirmations_controller.rb#L28
-# Once a solution is found, this line can be removed.
-Rails.application.config.action_controller.raise_on_open_redirects = false