Merge branch 'remove_eth0' into 'master'

network: Remove eth0 from interfaces list

See merge request Librem5/image-builder!79

root.sh

@@ -236,9 +236,6 @@ auto lo
 iface lo inet loopback
 
 source-directory interfaces.d
-
-allow-hotplug eth0
-iface eth0 inet dhcp
 EOF
 
 # Don't setup resolv.conf if it's a symlink