app-arch/engrampa: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

app-arch/engrampa/files/engrampa-1.26.0-clang16.patch

@@ -1,24 +0,0 @@
-https://bugs.gentoo.org/875404
-https://github.com/mate-desktop/engrampa/pull/477
-
-From f54425f1f994fc235c6cdd4013eb9fcf17da9f29 Mon Sep 17 00:00:00 2001
-From: Florian Weimer <fweimer@redhat.com>
-Date: Fri, 14 Apr 2023 22:35:08 +0200
-Subject: [PATCH] file-utils: Include <strings.h> for strcasecmp
-
-The _XOPEN_SOURCE macro definition overrides _DEFAULT_SOURCE
-and disables the declaration in <string.h>.
-
-This avoids an implicit function declaration and build failures
-with future compilers.
---- a/src/file-utils.c
-+++ b/src/file-utils.c
-@@ -27,6 +27,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <strings.h>
- #include <ctype.h>
- #include <time.h>
- #include <unistd.h>
-