fcoe/cleanup-fcoe.sh: don't copy shm files to state

with systemd version 230, this is not necessary anymore
systemd commit cacf980ed44a28e276a6cc7f8fc41f991e2ab354
because /dev/shm is selinux relabled.

modules.d/95fcoe/cleanup-fcoe.sh

@@ -4,7 +4,11 @@
 
 if [ -e /var/run/lldpad.pid ]; then
     lldpad -k
+    # with systemd version 230, this is not necessary anymore
+    # systemd commit cacf980ed44a28e276a6cc7f8fc41f991e2ab354
+    if [ -z "$DRACUT_SYSTEMD" ]; then
         mkdir -m 0755 -p /run/initramfs/state/dev/shm
         cp /dev/shm/lldpad.state /run/initramfs/state/dev/shm/ > /dev/null 2>&1
         echo "files /dev/shm/lldpad.state" >> /run/initramfs/rwtab
     fi
+fi