firefox-bin: remove workaround

pkgs/applications/networking/browsers/firefox-bin/default.nix

@@ -20,7 +20,6 @@
 , runtimeShell
 , systemLocale ? config.i18n.defaultLocale or "en_US"
 , patchelfUnstable  # have to use patchelfUnstable to support --no-clobber-old-sections
-, makeWrapper
 }:
 
 let
@@ -58,28 +57,14 @@ let
   source = lib.findFirst (sourceMatches mozLocale) defaultSource sources;
 
   pname = "firefox-${channel}-bin-unwrapped";
-
-  # FIXME: workaround for not being able to pass flags to patchelf
-  # Remove after https://github.com/NixOS/nixpkgs/pull/256525
-  wrappedPatchelf = stdenv.mkDerivation {
-    pname = "patchelf-wrapped";
-    inherit (patchelfUnstable) version;
-
-    nativeBuildInputs = [ makeWrapper ];
-
-    buildCommand = ''
-      mkdir -p $out/bin
-      makeWrapper ${patchelfUnstable}/bin/patchelf $out/bin/patchelf --append-flags "--no-clobber-old-sections"
-    '';
-  };
 in
 
 stdenv.mkDerivation {
   inherit pname version;
 
   src = fetchurl { inherit (source) url sha256; };
 
-  nativeBuildInputs = [ wrapGAppsHook autoPatchelfHook wrappedPatchelf ];
+  nativeBuildInputs = [ wrapGAppsHook autoPatchelfHook patchelfUnstable ];
   buildInputs = [
     gtk3
     adwaita-icon-theme
@@ -95,6 +80,8 @@ stdenv.mkDerivation {
   appendRunpaths = [
     "${pipewire.lib}/lib"
   ];
+  # Firefox uses "relrhack" to manually process relocations from a fixed offset
+  patchelfFlags = [ "--no-clobber-old-sections" ];
 
   installPhase =
     ''