networking: remove redundant DHCP config

sys/modules/defaultDesktopPack.nix

@@ -34,11 +34,7 @@ in {
 
     networking = {
       networkmanager.enable = true;
-
-      #TODO
       useDHCP = false; # The global useDHCP flag is deprecated, therefore explicitly set to false here.
-      interfaces.enp7s0.useDHCP = true; # Per-interface useDHCP will be mandatory in the future, so this generated config
-      interfaces.wlp6s0.useDHCP = true; # replicates the default behaviour.
     };
   };
 }