networkmanager: fix installed-vs-shipped warning

Package QA complains about these files being installed but not shipped:
  /run
  /run/NetworkManager

Signed-off-by: Maciej Borzecki <maciej.borzecki@open-rnd.pl>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-connectivity/networkmanager/networkmanager_1.0.4.bb

@@ -84,3 +84,7 @@ FILES_${PN}-tests = " \
 FILES_${PN}-bash-completion = "${datadir}/bash-completion"
 
 SYSTEMD_SERVICE_${PN} = "NetworkManager.service"
+
+do_install_append() {
+    rm -rf ${D}/run ${D}${localstatedir}/run
+}