phantom: set hostname

hosts/phantom/default.nix

@@ -20,6 +20,8 @@
     ./forgejo.nix
   ];
 
+  networking.hostName = "phantom";
+
   services.nginx.virtualHosts."lelgenio.com" = {
     enableACME = true;
     forceSSL = true;

hosts/phantom/email.nix

@@ -5,9 +5,6 @@
   ...
 }:
 {
-  # It's important to let Digital Ocean set the hostname so we get rDNS to work
-  networking.hostName = "";
-
   imports = [ inputs.nixos-mailserver.nixosModules.mailserver ];
 
   mailserver = {