meta-yadro: vegman: fix setting default hostname

There was a leftover in the script, clean it up.

Signed-off-by: Andrei Kartashev <a.kartashev@yadro.com>
Change-Id: Ie6eb88957260540d5f1654796d77140f58472732
diff --git a/meta-yadro/meta-vegman/recipes-yadro/fru/vegman-fru-handler/baseboard-fru-handler.sh b/meta-yadro/meta-vegman/recipes-yadro/fru/vegman-fru-handler/baseboard-fru-handler.sh
index f52acd4..e63557a 100644
--- a/meta-yadro/meta-vegman/recipes-yadro/fru/vegman-fru-handler/baseboard-fru-handler.sh
+++ b/meta-yadro/meta-vegman/recipes-yadro/fru/vegman-fru-handler/baseboard-fru-handler.sh
@@ -165,7 +165,7 @@
     hostname="${modelName,,}-${serialNumber}"
     log_msg "Changing hostname to ${hostname}"
 
-    if ! hostnamectl set-hostname "${hostname}-${SN}"; then
+    if ! hostnamectl set-hostname "${hostname}"; then
         log_err "Failed to set new hostname"
         exit 1
     fi