hiawatha: remove empty /var/run directory

The /var/run directory is already created by base-files.

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-webserver/recipes-httpd/hiawatha/hiawatha_9.2.bb

@@ -53,6 +53,8 @@ do_install_append() {
         install -m 644 ${WORKDIR}/hiawatha.service ${D}/${systemd_unitdir}/system
     fi
 
+    rmdir "${D}${localstatedir}/run"
+    rmdir --ignore-fail-on-non-empty "${D}${localstatedir}"
 }
 
 CONFFILES_${PN} = " \