vr: remove pr #391367 fix

etcnixos/vr.nix

@@ -14,15 +14,6 @@
     enable = true;
     openFirewall = true;
 
-    package = (
-      # https://github.com/NixOS/nixpkgs/pull/391367
-      pkgs.wivrn.overrideAttrs (old: {
-        cmakeFlags = old.cmakeFlags ++ [
-          (lib.cmakeFeature "OPENCOMPOSITE_SEARCH_PATH" "${pkgs.opencomposite}/lib/opencomposite")
-        ];
-      })
-    );
-
     # Write information to /etc/xdg/openxr/1/active_runtime.json, VR applications
     # will automatically read this and work with wivrn
     defaultRuntime = true;