Fix `Lint/SendWithMixinArgument` cop (#25920)

.rubocop_todo.yml

@@ -106,11 +106,6 @@ Lint/OrAssignmentToConstant:
   Exclude:
     - 'lib/sanitize_ext/sanitize_config.rb'
 
-# This cop supports safe autocorrection (--autocorrect).
-Lint/SendWithMixinArgument:
-  Exclude:
-    - 'config/application.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: IgnoreEmptyBlocks, AllowUnusedKeywordArguments.
 Lint/UnusedBlockArgument:

config/application.rb

@@ -196,10 +196,10 @@ module Mastodon
     config.to_prepare do
       Doorkeeper::AuthorizationsController.layout 'modal'
       Doorkeeper::AuthorizedApplicationsController.layout 'admin'
-      Doorkeeper::Application.send :include, ApplicationExtension
+      Doorkeeper::Application.include ApplicationExtension
-      Doorkeeper::AccessToken.send :include, AccessTokenExtension
+      Doorkeeper::AccessToken.include AccessTokenExtension
-      Devise::FailureApp.send :include, AbstractController::Callbacks
+      Devise::FailureApp.include AbstractController::Callbacks
-      Devise::FailureApp.send :include, Localized
+      Devise::FailureApp.include Localized
     end
   end
 end