chromedriver: drop x86_64-darwin from update script

pkgs/applications/networking/browsers/chromium/info.json

@@ -3,7 +3,6 @@
     "version": "150.0.7871.124",
     "chromedriver": {
       "version": "150.0.7871.125",
-      "hash_darwin": "sha256-HJTBS6eRmAsxrn7WW4hCxMCXdzn+1PYz1W0uZHJ38yk=",
       "hash_darwin_aarch64": "sha256-VCgkc6MeMPbt0F2ZVTJNn9yJbSYNhy1zr8KzPVaVi0I="
     },
     "deps": {

pkgs/applications/networking/browsers/chromium/update.mjs

@@ -170,7 +170,6 @@ async function fetch_chromedriver_binaries(version) {
   const url = (platform) => `https://storage.googleapis.com/chrome-for-testing-public/${version}/${platform}/chromedriver-${platform}.zip`
   return {
     version,
-    hash_darwin: await prefetch(url('mac-x64')),
     hash_darwin_aarch64: await prefetch(url('mac-arm64')),
   }
 }

pkgs/development/tools/selenium/chromedriver/binary.nix

@@ -12,19 +12,6 @@ let
     (lib.importJSON ../../../../applications/networking/browsers/chromium/info.json)
     .chromium.chromedriver;
 
-  # See ./source.nix for Linux
-  allSpecs = {
-
-    aarch64-darwin = {
-      system = "mac-arm64";
-      hash = upstream-info.hash_darwin_aarch64;
-    };
-  };
-
-  spec =
-    allSpecs.${stdenv.hostPlatform.system}
-      or (throw "missing chromedriver binary for ${stdenv.hostPlatform.system}");
-
   inherit (upstream-info) version;
 in
 stdenv.mkDerivation {
@@ -32,8 +19,8 @@ stdenv.mkDerivation {
   inherit version;
 
   src = fetchzip {
-    url = "https://storage.googleapis.com/chrome-for-testing-public/${version}/${spec.system}/chromedriver-${spec.system}.zip";
-    inherit (spec) hash;
+    url = "https://storage.googleapis.com/chrome-for-testing-public/${version}/mac-arm64/chromedriver-mac-arm64.zip";
+    hash = upstream-info.hash_darwin_aarch64;
   };
 
   nativeBuildInputs = [ unzip ];