refactor: update hosts and feature lists for new architecture

hosts/floo/configuration.nix

@@ -2,6 +2,8 @@
 {
   imports = [ inputs.disko.nixosModules.disko ];
 
+  features.filedrop.sopsFile = ../../secrets/floo.yaml;
+
   boot.loader.grub.enable = true;
 
   disko.devices.disk.main = {
@@ -26,10 +28,5 @@
     };
   };
 
-  localisation = {
-    timeZone = "Europe/Ljubljana";
-    defaultLocale = "en_US.UTF-8";
-  };
-
   system.stateVersion = "25.11";
 }