refactor(hyprland): remove unused blur option

configs/nixos/modules/desktop/session/hyprland/default.nix

@@ -9,13 +9,7 @@ let
   user = config.user.name;
 in
 {
-  options.modules.desktop.session.hyprland = {
-    enable = lib.mkEnableOption "the Hyprland compositor";
-
-    blur = lib.mkEnableOption ''
-      window blur. Off by default as the single biggest battery cost on a
-      laptop, left on for a host with the headroom to spend it'';
-  };
+  options.modules.desktop.session.hyprland.enable = lib.mkEnableOption "the Hyprland compositor";
 
   config = lib.mkIf cfg.enable {
     # This program integration owns the session, portals, and polkit, launched