sci-libs/fplll: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/26817
Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Michael Orlitzky <mjo@gentoo.org>

sci-libs/fplll/files/fplll-5.4.0-gcc11.patch

@@ -1,21 +0,0 @@
-From 1d7dded000e425bb103841e68c79f81b335b7271 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Fran=C3=A7ois=20Bissey?= <frp.bissey@gmail.com>
-Date: Sat, 1 May 2021 08:19:41 +1200
-Subject: [PATCH] minimal change to compile with gcc-11
-
----
- fplll/enum/enumerate_ext_api.h | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/fplll/enum/enumerate_ext_api.h b/fplll/enum/enumerate_ext_api.h
-index 387a1461..803c870e 100644
---- a/fplll/enum/enumerate_ext_api.h
-+++ b/fplll/enum/enumerate_ext_api.h
-@@ -18,6 +18,7 @@
- #define FPLLL_ENUMERATE_EXT_API_H
- 
- #include <array>
-+#include <cstdint>
- #include <functional>
- #include <memory>
-