nixos/network-interfaces-systemd: remove unused arg in genericDhcpNetworks

The first argument is not used (anymore).

nixos/modules/tasks/network-interfaces-systemd.nix

@@ -53,28 +53,26 @@ let
     )
   );
 
-  genericDhcpNetworks =
+  genericDhcpNetworks = mkIf cfg.useDHCP {
-    initrd:
+    networks."99-ethernet-default-dhcp" = {
-    mkIf cfg.useDHCP {
+      matchConfig = {
-      networks."99-ethernet-default-dhcp" = {
+        Type = "ether";
-        matchConfig = {
+        Kind = "!*"; # physical interfaces have no kind
-          Type = "ether";
-          Kind = "!*"; # physical interfaces have no kind
-        };
-        DHCP = "yes";
-        networkConfig.IPv6PrivacyExtensions = "kernel";
-      };
-      networks."99-wireless-client-dhcp" = {
-        matchConfig.WLANInterfaceType = "station";
-        DHCP = "yes";
-        networkConfig.IPv6PrivacyExtensions = "kernel";
-        # We also set the route metric to one more than the default
-        # of 1024, so that Ethernet is preferred if both are
-        # available.
-        dhcpV4Config.RouteMetric = 1025;
-        ipv6AcceptRAConfig.RouteMetric = 1025;
       };
+      DHCP = "yes";
+      networkConfig.IPv6PrivacyExtensions = "kernel";
     };
+    networks."99-wireless-client-dhcp" = {
+      matchConfig.WLANInterfaceType = "station";
+      DHCP = "yes";
+      networkConfig.IPv6PrivacyExtensions = "kernel";
+      # We also set the route metric to one more than the default
+      # of 1024, so that Ethernet is preferred if both are
+      # available.
+      dhcpV4Config.RouteMetric = 1025;
+      ipv6AcceptRAConfig.RouteMetric = 1025;
+    };
+  };
 
   interfaceNetworks = mkMerge (
     forEach interfaces (i: {
@@ -220,7 +218,7 @@ in
       # former, the user retains full control over the configuration.
       boot.initrd.systemd.network = mkMerge [
         defaultGateways
-        (genericDhcpNetworks true)
+        genericDhcpNetworks
         interfaceNetworks
         bridgeNetworks
         vlanNetworks
@@ -271,7 +269,7 @@ in
           enable = true;
         }
         defaultGateways
-        (genericDhcpNetworks false)
+        genericDhcpNetworks
         interfaceNetworks
         bridgeNetworks
         (mkMerge (