firefox-extensions: fix update scripts

pkgs/additional/firefox-extensions/default.nix

@@ -1,34 +1,19 @@
-{ stdenv
-, callPackage
-, concatTextFile
-, fetchpatch
-, fetchurl
-, gnused
-, jq
-, lib
-, newScope
-, nix-update
-, nix-update-script
-, runCommandLocal
-, strip-nondeterminism
-, unzip
-, writers
-, writeScript
-, zip
+{
+  callPackage,
+  concatTextFile,
+  fetchurl,
+  jq,
+  lib,
+  newScope,
+  nix-update-script,
+  runCommandLocal,
+  stdenv,
+  strip-nondeterminism,
+  unzip,
+  writers,
+  zip,
 }:
 let
-  nix-update' = nix-update.overrideAttrs (upstream: {
-    patches = (upstream.patches or []) ++ [
-      (fetchpatch {
-        # u-block releases betas, and worse, deletes them later.
-        # i don't know how to ignore them through the nix-update-script API,
-        # but this patch handles that.
-        name = "github: Use API to properly tag prereleases";
-        url = "https://github.com/Mic92/nix-update/pull/246.patch";
-        hash = "sha256-cwajliS1YMEcS2MtrKtpNn64rWHjwNDLI49LKhnlQYM=";
-      })
-    ];
-  });
   wrapAddon = addon: args:
   let
     extid = addon.passthru.extid;
@@ -122,7 +107,7 @@ let
       cp $src $out
     '';
 
-    passthru.updateScript = (nix-update-script.override { nix-update = nix-update'; }) { };
+    passthru.updateScript = nix-update-script { };
     passthru.extid = extid;
   };