backwards: Use secretsFile for networking.wireless

hosts/backwards/modules/network/default.nix

@@ -1,10 +1,22 @@
+{ config, ... }:
 {
   networking = {
     hostName = "backwards";
 
     networkmanager.enable = false;
-    wireless.enable = true;
+
     #wireless.networks are defined in the secret `wpa_supplicant.conf`
+    wireless = {
+      enable = true;
+
+      secretsFile = config.age.secrets.wireless-network-secrets.path;
+
+      networks = {
+        "w1-f1_5G" = {
+          pskRaw = "ext:w1-f1_psk";
+        };
+      };
+    };
 
     defaultGateway = "192.168.50.1";
     nameservers = [ "1.1.1.1" ];
@@ -24,9 +36,6 @@
   };
 
   age.secrets = {
-    "wpa_supplicant.conf" = {
-      file = ../../../../secrets/backwards/wpa_supplicant.conf.age;
-      path = "/etc/wpa_supplicant.conf";
-    };
+    "wireless-network-secrets".file = ../../../../secrets/backwards/wireless-network-secrets.age;
   };
 }