Revert "[disko] Bit of a hack but the storage partition now gets mounted after zroot using a file on the disk."

This reverts commit 4a67683462.

scripts/remote-install-encrypt.sh

@@ -40,11 +40,9 @@ trap cleanup EXIT
 
 # Create the directory where sshd expects to find the host keys
 install -d -m755 "$temp/etc/ssh/"
-install -d -m755 "$temp/root/"
 
 diskKey=$(sops -d $pwpath/disk.key)
 echo "$diskKey" > /tmp/secret.key
-echo "$diskKey" > $temp/root/secret.key
 
 sops -d "$pwpath/$hostkey" > "$temp/etc/ssh/$hostname"