Disable the stub resolved listener.

I want pihole to bind all available addresses itself, without listing
them, so I need all the port 53s to be free on all addresses. This will
also mean that the server itself will go through pihole.

quinn/etc/nixos/configuration.nix

@@ -183,6 +183,13 @@
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
 
+  # Disable the resolved stub listener, let Pihole do it
+  services.resolved = {
+    extraConfig = ''
+      DNSStubListener=no
+    '';
+  };
+
   # Set up a samba share for the scanner
   services.samba = {
     enable = true;