remove trailing space from ax51 network.sh

hardware/hetzner_ax51-nvme/network.sh

@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 address=$(ip address show dev eth0 scope global | grep -F 'inet ' | perl -pe 's#.*inet (.*?)/.*#$1#')
-gateway=$(ip route list dev eth0 default | perl -pe 's#.*via ##')
+gateway=$(ip route list dev eth0 default | perl -pe 's#.*via (.*) #$1#')
 
 # $interface differs from the live system because of different naming schemes
 # see https://wiki.debian.org/NetworkInterfaceNames for more details