octavePackages.writeRequiredOctavePackagesHook: remove useless callPackage

pkgs/development/interpreters/octave/hooks/default.nix

···
 # Hooks for building Octave packages.
 {
-  octave,
-  lib,
-  callPackage,
   makeSetupHook,
 }:
 
-rec {
-  writeRequiredOctavePackagesHook = callPackage (
-    { }:
-    makeSetupHook {
-      name = "write-required-octave-packages-hook";
-    } ./write-required-octave-packages-hook.sh
-  ) { };
+{
+  writeRequiredOctavePackagesHook = makeSetupHook {
+    name = "write-required-octave-packages-hook";
+  } ./write-required-octave-packages-hook.sh;
 }