app-forensics/yara-x: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <mm1ke@gentoo.org>

app-forensics/yara-x/files/yara-x-1.8.1-tests.patch

@@ -1,27 +0,0 @@
-From 0ac56cc6a18bdb2062d2a7e41289ae07f62f32f7 Mon Sep 17 00:00:00 2001
-From: "Victor M. Alvarez" <vmalvarez@virustotal.com>
-Date: Thu, 9 Oct 2025 16:32:55 +0200
-Subject: [PATCH] tests: increase the number of iterations in test case for
- timeouts
-Upstream: https://github.com/VirusTotal/yara-x/issues/471
-
-The current rule was too fast in some hardware.
-
-Closes #471
----
- lib/src/scanner/blocks.rs | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/lib/src/scanner/blocks.rs b/lib/src/scanner/blocks.rs
-index cc8a0b5f..c067a8c2 100644
---- a/lib/src/scanner/blocks.rs
-+++ b/lib/src/scanner/blocks.rs
-@@ -474,7 +474,7 @@ mod tests {
-             r#"
-             rule slow {
-                 condition: 
--                    for any i in (0..10000000) : (
-+                    for any i in (0..1000000000) : (
-                          uint8(i) == 0xCC
-                     )
-             }"#,