mesa: Remove bbappend

This issue is fixed differently and patched in oe-core

Signed-off-by: Khem Raj <raj.khem@gmail.com>

recipes-graphics/mesa/mesa/rv32-sys-futex.patch

@@ -1,25 +0,0 @@
-From 45544e43f60418917dfd8ec57e99880ce38ced88 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Thu, 30 Jan 2020 16:57:50 -0800
-Subject: [PATCH] mesa,libxshmfence: Define __NR_futex for rv32
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- src/util/futex.h | 4 ++++
- 1 file changed, 4 insertions(+)
-
-diff --git a/src/util/futex.h b/src/util/futex.h
-index 4d712e2..920818d 100644
---- a/src/util/futex.h
-+++ b/src/util/futex.h
-@@ -27,6 +27,10 @@
- #if defined(HAVE_LINUX_FUTEX_H)
- #define UTIL_FUTEX_SUPPORTED 1
- 
-+#if !defined(__NR_futex) && defined(__riscv) && __riscv_xlen == 32
-+# define __NR_futex __NR_futex_time64
-+#endif
-+
- #include <limits.h>
- #include <stdint.h>
- #include <unistd.h>

recipes-graphics/mesa/mesa_20.%.bbappend

@@ -1,3 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
-
-SRC_URI_append_riscv32 = " file://rv32-sys-futex.patch"