diffstat: remove unneeded patch

(From OE-Core rev: 54ddaef8eb90998c3256a3454450fd2e1aa250d2)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/diffstat/diffstat/0001-aclocal.m4-add-missing-header-defines.patch

@@ -1,24 +0,0 @@
-From 004bd80d2523f538467b5ada2623eb207b55dad7 Mon Sep 17 00:00:00 2001
-From: Alexander Kanavin <alex.kanavin@gmail.com>
-Date: Fri, 20 Dec 2019 15:44:28 +0100
-Subject: [PATCH] aclocal.m4: add missing header defines
-
-Upstream-Status: Pending
-Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
----
- aclocal.m4 | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/aclocal.m4 b/aclocal.m4
-index 3b19e82..c0c4acb 100644
---- a/aclocal.m4
-+++ b/aclocal.m4
-@@ -1927,3 +1927,8 @@ make an error
- fi
- fi # cf_cv_posix_visible
- ])
-+
-+AC_DEFINE([HAVE_TCGETATTR], [], [Description])
-+AC_DEFINE([HAVE_TCSETATTR], [], [Description])
-+AC_DEFINE([HAVE_TERMIOS_H], [], [Description])
-+

meta/recipes-devtools/diffstat/diffstat_1.64.bb

@@ -10,7 +10,6 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=f605b1986cc3b808ec0e4fa9d0e0f2d9"
 SRC_URI = "http://invisible-mirror.net/archives/${BPN}/${BP}.tgz \
            file://run-ptest \
            file://avoid-check-user-break-cc.patch \
-           file://0001-aclocal.m4-add-missing-header-defines.patch \
            "
 
 SRC_URI[sha256sum] = "b8aee38d9d2e1d05926e6b55810a9d2c2dd407f24d6a267387563a4436e3f7fc"