libreoffice-bin: drop x86_64-darwin from update script

pkgs/applications/office/libreoffice/darwin/default.nix

@@ -12,22 +12,15 @@ let
   version = "26.2.4";
 
   dist = {
-    aarch64-darwin = rec {
-      arch = "aarch64";
-      archSuffix = arch;
-      url = "https://download.documentfoundation.org/libreoffice/stable/${version}/mac/${arch}/LibreOffice_${version}_MacOS_${archSuffix}.dmg";
-      sha256 = "64e0ad05564554eeee639d49b08b20908a38d4722ec95f1620d05c99bcbe9fb1";
-    };
+    url = "https://download.documentfoundation.org/libreoffice/stable/${version}/mac/aarch64/LibreOffice_${version}_MacOS_aarch64.dmg";
+    sha256 = "64e0ad05564554eeee639d49b08b20908a38d4722ec95f1620d05c99bcbe9fb1";
   };
 in
 stdenvNoCC.mkDerivation {
   inherit version;
   pname = "libreoffice";
   src = fetchurl {
-    inherit
-      (dist.${stdenvNoCC.hostPlatform.system}
-        or (throw "Unsupported system: ${stdenvNoCC.hostPlatform.system}")
-      )
+    inherit (dist)
       url
       sha256
       ;
@@ -52,16 +45,13 @@ stdenvNoCC.mkDerivation {
     let
       defaultNixFile = toString ./default.nix;
       updateNix = toString ./update.nix;
-      aarch64Url = dist."aarch64-darwin".url;
-      x86_64Url = dist."x86_64-darwin".url;
     in
     writeScript "update-libreoffice.sh" ''
       #!/usr/bin/env nix-shell
-      #!nix-shell -i bash --argstr aarch64Url ${aarch64Url} --argstr x86_64Url ${x86_64Url} --argstr version ${version} ${updateNix}
+      #!nix-shell -i bash --argstr url ${dist.url} --argstr version ${version} ${updateNix}
       set -eou pipefail
 
-      update-source-version libreoffice-bin $newVersion $newAarch64Sha256 --file=${defaultNixFile} --system=aarch64-darwin --ignore-same-version
-      update-source-version libreoffice-bin $newVersion $newX86_64Sha256 --file=${defaultNixFile} --system=x86_64-darwin --ignore-same-version
+      update-source-version libreoffice-bin $newVersion $newSha256 --file=${defaultNixFile} --ignore-same-version
     '';
 
   meta = {

pkgs/applications/office/libreoffice/darwin/update.nix

@@ -1,7 +1,6 @@
 # Impure functions, for passthru.updateScript runtime only
 {
-  aarch64Url,
-  x86_64Url,
+  url,
   version,
   pkgs ? import ../../../../../default.nix { },
 }:
@@ -14,6 +13,5 @@ in
 pkgs.mkShell rec {
   buildInputs = [ pkgs.common-updater-scripts ];
   newVersion = getLatestStableVersion;
-  newAarch64Sha256 = getSha256 aarch64Url version newVersion;
-  newX86_64Sha256 = getSha256 x86_64Url version newVersion;
+  newSha256 = getSha256 url version newVersion;
 }