package/multipath-tools: drop patch

Drop path and set SYSTEMD="" if needed following upstream feedback:
https://github.com/opensvc/multipath-tools/pull/34

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/multipath-tools/0001-Makefile.inc-Enable-systemd-if-ENABLE_SYSTEMD-is-def.patch

@@ -1,35 +0,0 @@
-From 8370da992c752e4238de7a8b02ce0e179353c959 Mon Sep 17 00:00:00 2001
-From: Alexander Egorenkov <egorenar-dev@posteo.net>
-Date: Sun, 6 Sep 2020 10:37:41 +0200
-Subject: [PATCH] Makefile.inc: Enable systemd if ENABLE_SYSTEMD is defined
-
-systemd is disabled by default, to activate it set ENABLE_SYSTEMD.
-
-Signed-off-by: Alexander Egorenkov <egorenar-dev@posteo.net>
----
- Makefile.inc | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/Makefile.inc b/Makefile.inc
-index d4d1e0dd..32bc1846 100644
---- a/Makefile.inc
-+++ b/Makefile.inc
-@@ -35,6 +35,7 @@ ifndef RUN
- 	endif
- endif
- 
-+ifdef ENABLE_SYSTEMD
- ifndef SYSTEMD
- 	ifeq ($(shell pkg-config --modversion libsystemd >/dev/null 2>&1 && echo 1), 1)
- 		SYSTEMD = $(shell pkg-config --modversion libsystemd)
-@@ -45,6 +46,7 @@ ifndef SYSTEMD
- 		endif
- 	endif
- endif
-+endif
- 
- ifndef SYSTEMDPATH
- 	SYSTEMDPATH=usr/lib
--- 
-2.28.0
-

package/multipath-tools/multipath-tools.mk

@@ -31,7 +31,8 @@ MULTIPATH_TOOLS_MAKE_OPTS = \
 
 ifeq ($(BR2_PACKAGE_SYSTEMD),y)
 MULTIPATH_TOOLS_DEPENDENCIES += systemd
-MULTIPATH_TOOLS_MAKE_OPTS += ENABLE_SYSTEMD=1
+else
+MULTIPATH_TOOLS_MAKE_OPTS += SYSTEMD=""
 endif
 
 define MULTIPATH_TOOLS_BUILD_CMDS