hyprland: onChange: remove subshell comment

(cherry picked from commit 7e769959e8)

modules/services/window-managers/hyprland.nix

@@ -236,7 +236,7 @@ in {
         }) + lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
 
       onChange = lib.mkIf (cfg.package != null) ''
-        ( # Execute in subshell so we don't poision environment with vars
+        (
           XDG_RUNTIME_DIR=''${XDG_RUNTIME_DIR:-/run/user/$(id -u)}
           if [[ -d "/tmp/hypr" || -d "$XDG_RUNTIME_DIR/hypr" ]]; then
             for i in $(${cfg.finalPackage}/bin/hyprctl instances -j | jq ".[].instance" -r); do