Replace Sprockets with Propshaft (#28239)

config/application.rb

@@ -14,7 +14,6 @@ require 'active_job/railtie'
 # require 'action_mailbox/engine'
 # require 'action_text/engine'
 # require 'rails/test_unit/railtie'
-require 'sprockets/railtie'
 
 # Used to be implicitly required in action_mailbox/engine
 require 'mail'

config/environments/development.rb

@@ -71,17 +71,6 @@ Rails.application.configure do
   # Highlight code that enqueued background job in logs.
   config.active_job.verbose_enqueue_logs = true
 
-  # Debug mode disables concatenation and preprocessing of assets.
-  config.assets.debug = true
-
-  # Suppress logger output for asset requests.
-  config.assets.quiet = true
-
-  # Adds additional error checking when serving assets at runtime.
-  # Checks for improperly declared sprockets dependencies.
-  # Raises helpful error messages.
-  config.assets.raise_runtime_errors = true
-
   # Raises error for missing translations.
   # config.i18n.raise_on_missing_translations = true
 

config/initializers/assets.rb

@@ -1,16 +0,0 @@
-# frozen_string_literal: true
-
-# Be sure to restart your server when you modify this file.
-
-# Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
-
-# Add additional assets to the asset load path.
-# Rails.application.config.assets.paths << Emoji.images_path
-
-# Precompile additional assets.
-# application.js, application.css, and all non-JS/CSS in the app/assets
-# folder are already added.
-# Rails.application.config.assets.precompile += %w( admin.js admin.css )
-
-Rails.application.config.assets.initialize_on_precompile = true