Refactor secrets

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

lib/scripts/remove-host.sh

@@ -11,7 +11,7 @@ fi
 
 host="$1"
 
-age_key=$(ssh-to-age < "./hosts/$host/secrets/ssh_host_ed25519_key.pub")
+age_key=$(ssh-to-age < "./secrets/hosts/$host/ssh_host_ed25519_key.pub")
 
 find . -type f -name "sops.yaml" | while IFS= read -r sops_file; do
   sed -i "/      - &$host $age_key/d" "$sops_file"