dev-ruby/rack-cache: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Hans de Graaff <graaff@gentoo.org>

dev-ruby/rack-cache/files/rack-cache-1.13.0-mocha2.patch

@@ -1,20 +0,0 @@
-https://github.com/rack/rack-cache/commit/8b22b6e532ed21ba30fdfbc62907f58db052e767
-
-From 8b22b6e532ed21ba30fdfbc62907f58db052e767 Mon Sep 17 00:00:00 2001
-From: Peter Goldstein <peter.m.goldstein@gmail.com>
-Date: Mon, 2 Jan 2023 06:32:20 -0500
-Subject: [PATCH] Adds Ruby 3.2 to the CI matrix (#12)
-
-* Update mocha require for modern version of mocha
---- a/test/test_helper.rb
-+++ b/test/test_helper.rb
-@@ -7,7 +7,7 @@
- 
- require 'maxitest/global_must'
- require 'maxitest/autorun'
--require 'mocha/setup'
-+require 'mocha/minitest'
- 
- # Set the MEMCACHED environment variable as follows to enable testing
- # of the MemCached meta and entity stores.
-

dev-ruby/rack-cache/files/rack-cache-1.13.0-test-require.patch

@@ -1,28 +0,0 @@
-https://github.com/rack/rack-cache/pull/14
-
-From db34e2b5ab7b16051f7158b2896e56502992c33e Mon Sep 17 00:00:00 2001
-From: Sam James <sam@gentoo.org>
-Date: Mon, 3 Apr 2023 03:31:31 +0100
-Subject: [PATCH] test: Add explicit 'timeout' require
-
-Fixes the following when running tests individually:
-```
-  1) Error:
-Rack::Cache::Context#test_0078_passes if there was a metastore exception:
-NameError: uninitialized constant Timeout
-    test/context_test.rb:981:in `block (3 levels) in <top (required)>'
-    test/test_helper.rb:170:in `request'
-    test/test_helper.rb:177:in `get'
-    test/context_test.rb:980:in `block (2 levels) in <top (required)>'
-```
-
-Signed-off-by: Sam James <sam@gentoo.org>
---- a/test/context_test.rb
-+++ b/test/context_test.rb
-@@ -1,4 +1,5 @@
- require_relative 'test_helper'
-+require 'timeout'
- require 'rack/cache/context'
- 
- describe Rack::Cache::Context do
-