Even more needless requires

test/controllers/direct_uploads_controller_test.rb

 require "test_helper"
 require "database/setup"
 
-require "action_controller"
-require "action_controller/test_case"
-
 require "active_storage/direct_uploads_controller"
 
 if SERVICE_CONFIGURATIONS[:s3]

test/controllers/disk_controller_test.rb

@@ -2,7 +2,6 @@
 require "database/setup"
 
 require "active_storage/disk_controller"
-require "active_storage/verified_key_with_expiration"
 
 class ActiveStorage::DiskControllerTest < ActionController::TestCase
   setup do

test/controllers/variants_controller_test.rb

@@ -2,7 +2,6 @@
 require "database/setup"
 
 require "active_storage/variants_controller"
-require "active_storage/verified_key_with_expiration"
 
 class ActiveStorage::VariantsControllerTest < ActionController::TestCase
   setup do

test/models/variant_test.rb

 require "test_helper"
 require "database/setup"
-require "active_storage/variant"
 
 class ActiveStorage::VariantTest < ActiveSupport::TestCase
   setup do