Load Rails 6.0 defaults and remove 6.0 migration initializer

config/application.rb

@@ -23,7 +23,7 @@ require_relative '../lib/gabsocial/redis_config'
 module GabSocial
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 5.2
+    config.load_defaults 6.0
 
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration should go into files in config/initializers

config/initializers/new_framework_defaults_6_0.rb

@@ -1,52 +0,0 @@
-# Be sure to restart your server when you modify this file.
-#
-# This file contains migration options to ease your Rails 6.0 upgrade.
-#
-# Once upgraded flip defaults one by one to migrate to the new default.
-#
-# Read the Guide for Upgrading Ruby on Rails for more info on each option.
-
-# Don't force requests from old versions of IE to be UTF-8 encoded.
-Rails.application.config.action_view.default_enforce_utf8 = false
-
-# Embed purpose and expiry metadata inside signed and encrypted
-# cookies for increased security.
-#
-# This option is not backwards compatible with earlier Rails versions.
-# It's best enabled when your entire app is migrated and stable on 6.0.
-Rails.application.config.action_dispatch.use_cookies_with_metadata = true
-
-# Change the return value of `ActionDispatch::Response#content_type` to Content-Type header without modification.
-Rails.application.config.action_dispatch.return_only_media_type_on_content_type = false
-
-# Return false instead of self when enqueuing is aborted from a callback.
-Rails.application.config.active_job.return_false_on_aborted_enqueue = true
-
-# Send Active Storage analysis and purge jobs to dedicated queues.
-Rails.application.config.active_storage.queues.analysis = :active_storage_analysis
-Rails.application.config.active_storage.queues.purge    = :active_storage_purge
-
-# When assigning to a collection of attachments declared via `has_many_attached`, replace existing
-# attachments instead of appending. Use #attach to add new attachments without replacing existing ones.
-Rails.application.config.active_storage.replace_on_assign_to_many = true
-
-# Use ActionMailer::MailDeliveryJob for sending parameterized and normal mail.
-#
-# The default delivery jobs (ActionMailer::Parameterized::DeliveryJob, ActionMailer::DeliveryJob),
-# will be removed in Rails 6.1. This setting is not backwards compatible with earlier Rails versions.
-# If you send mail in the background, job workers need to have a copy of
-# MailDeliveryJob to ensure all delivery jobs are processed properly.
-# Make sure your entire app is migrated and stable on 6.0 before using this setting.
-Rails.application.config.action_mailer.delivery_job = "ActionMailer::MailDeliveryJob"
-
-# Enable the same cache key to be reused when the object being cached of type
-# `ActiveRecord::Relation` changes by moving the volatile information (max updated at and count)
-# of the relation's cache key into the cache version to support recycling cache key.
-Rails.application.config.active_record.collection_cache_versioning = true
-
-
-# The Rails 6 default autoloader is Zeitwerk. Zeitwerk has specific expectations on where certain
-# classes should be defined. It also requires that constants are not autoloaded in initializers.
-# Enabling Zeitwerk would be good, but it'll take some work. Using the :classic autoloader gives
-# us the same autoloading that Rails 5.2 had.
-Rails.application.config.autoloader = :zeitwerk