Remove pre Rails 7.1 conditionals

lib/alaveteli_localization/railtie.rb

@@ -20,28 +20,6 @@ class Railtie < Rails::Railtie
       AlaveteliLocalization.set_default_text_domain('app', repos)
 
       I18n::Backend::Simple.send(:include, I18n::Backend::Fallbacks)
-
-      if Rails.version < '7.0.0' && Rails.env.development?
-        ##
-        # Ideally the following would only be called in the `after_initialize`
-        # hook but this leads to an error when booting Rails 6.1 in development
-        # mode. (As config.cache_classes = false)
-        #
-        # This due Alaveteli not yet using the new Zeitwork autoloading feature
-        # and Rails attempts to render a deprecation warning which happens to
-        # includes an I18n translation so requires the default locale to be
-        # setup.
-        #
-        # Once we support Zeitwork (which is needed for Rails 7) then this can
-        # be removed.
-        #
-        # See: https://github.com/mysociety/alaveteli/issues/5382
-        #
-        AlaveteliLocalization.set_locales(
-          AlaveteliConfiguration.available_locales,
-          AlaveteliConfiguration.default_locale
-        )
-      end
     end
 
     config.after_initialize do

lib/no_constraint_disabling.rb

@@ -26,11 +26,7 @@ module ActiveRecord
   class FixtureSet
     def self.create_fixtures(fixtures_directory, fixture_set_names, class_names = {}, config = ActiveRecord::Base)
       fixture_set_names = Array(fixture_set_names).map(&:to_s)
-      if Rails.version < '7.1.0'
-        class_names = ClassCache.new class_names, config
-      else
-        class_names.stringify_keys!
-      end
+      class_names.stringify_keys!
 
       # FIXME: Apparently JK uses this.
       connection = block_given? ? yield : ActiveRecord::Base.connection