app-crypt/gnupg: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

app-crypt/gnupg/files/gnupg-2.4.6-c99.patch

@@ -1,28 +0,0 @@
-https://bugs.gentoo.org/942467
-https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=c0cb0175c9e6e8d6a3bdd2e40f85fa730fa325af
-
-From c0cb0175c9e6e8d6a3bdd2e40f85fa730fa325af Mon Sep 17 00:00:00 2001
-From: NIIBE Yutaka <gniibe@fsij.org>
-Date: Tue, 9 Jul 2024 10:48:02 +0900
-Subject: [PATCH] scd: Add <unistd.h> for read(2) / write(2) .
-
-* scd/app.c: Include <unistd.h>.
-
---
-
-Reported-by: David Bohman
-GnuPG-bug-id: 7193
-Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
-(cherry picked from commit 1d5cfa9b7fd22e1c46eeed5fa9fed2af6f81d34f)
---- a/scd/app.c
-+++ b/scd/app.c
-@@ -22,6 +22,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <unistd.h>
- #include <npth.h>
- 
- #ifndef HAVE_W32_SYSTEM
--- 
-2.30.2