dev-ruby/actionmailer: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Part-of: https://github.com/gentoo/gentoo/pull/41702
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

dev-ruby/actionmailer/files/actionmailer-6.1.7.4-ruby32-keywords.patch

@@ -1,50 +0,0 @@
-From 67bdba4e63cad218c02dbb3171ddd53353cc0b48 Mon Sep 17 00:00:00 2001
-From: Javier Jimenez <javiyu7@gmail.com>
-Date: Thu, 5 Jan 2023 21:34:37 +0100
-Subject: [PATCH] Backports ruby 3.2 compatibility fixes for rails 6.1
-
----
- actionmailer/lib/action_mailer/base.rb            |  2 +-
- actionmailer/lib/action_mailer/rescuable.rb       | 12 ++++++++----
- actionpack/lib/abstract_controller/base.rb        | 10 +++++++---
- actionpack/lib/abstract_controller/callbacks.rb   |  6 +++++-
- actionview/lib/action_view/rendering.rb           |  6 +++++-
- activemodel/lib/active_model/attribute_methods.rb |  2 +-
- activerecord/lib/active_record/relation.rb        |  8 ++++++--
- 7 files changed, 33 insertions(+), 13 deletions(-)
-
-diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
-index ae04c0419fc99..4f2620e525157 100644
---- a/lib/action_mailer/base.rb
-+++ b/lib/action_mailer/base.rb
-@@ -616,6 +616,7 @@ def process(method_name, *args) #:nodoc:
-         @_message = NullMail.new unless @_mail_was_called
-       end
-     end
-+    ruby2_keywords(:process) if respond_to?(:ruby2_keywords, true)
- 
-     class NullMail #:nodoc:
-       def body; "" end
-diff --git a/actionmailer/lib/action_mailer/rescuable.rb b/actionmailer/lib/action_mailer/rescuable.rb
-index ffcaa1f79526d..d949e4681e30c 100644
---- a/lib/action_mailer/rescuable.rb
-+++ b/lib/action_mailer/rescuable.rb
-@@ -20,10 +20,14 @@ def handle_exceptions #:nodoc:
-     end
- 
-     private
--      def process(*)
--        handle_exceptions do
--          super
--        end
-+      all_args = RUBY_VERSION < "2.7" ? "*" : "..."
-+
-+      class_eval <<-RUBY
-+    def process(#{all_args})
-+      handle_exceptions do
-+        super
-       end
-+    end
-+      RUBY
-   end
- end