fixed syntax errors

modules/machine/valefor/configuration.nix

@@ -90,17 +90,16 @@
       enable = true;
       udpPorts = {
         dns.enable = true;
-      }
+      };
     };
     networkmanager.enable = true;
-    udpPorts.dns.enable = true;
   };
 
   # DNS module (see ../../networking/dns.nix)
   dns = {
     technitium = {
       enable = true;
-    }
+    };
   };
 
   # Enable dconf