Fix hm standalone config

homes/julian/hm-standalone-config.nix

@@ -13,6 +13,20 @@
     };
   };
 
+  # Expire old hm generations
+  hm-expire = {
+    enable = true;
+    dates = "weekly";
+    expire = "-30 days";
+  };
+
+  # Remove unused packets
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    persistent = true;
+  };
+
   # Setup binary caches
   nix.settings = {
     substituters = [
@@ -39,20 +53,6 @@
       "ca-derivations"
     ];
 
-    # Expire old hm generations
-    hm-expire = {
-      enable = true;
-      dates = "weekly";
-      expire = "-30 days";
-    };
-    # Remove unused packets
-    services.nix-gc = {
-      enable = true;
-      automatic = true;
-      frequency = "weekly";
-      persistent = true;
-    };
-
     # nix.settings. # warn-dirty = false; # TODO: do I want this
     #
     # Ensure we can still build when missing-server is not accessible