fff-vpn-select: remove dummy-character

The current broker is no longer cutting off the first character from UUID

Signed-off-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Steffen Pankratz <kratz00@gmx.de>

src/packages/fff/fff-vpn-select/files/usr/sbin/vpn-select

@@ -21,7 +21,7 @@ for file in $filecounts; do
         # Gateway offers l2tp
         FDPORT=$(awk '/remote/{gsub(";", ""); print $5}' /etc/fastd/${project}/peers/$file)
         L2PORT=$((FDPORT + 10000))
-        UUID=_$hostname
+        UUID=$hostname
 
         uci set tunneldigger.$count=broker
         uci set tunneldigger.$count.address="$IP:$L2PORT"