dotnetHook: remove unused substitutions

pkgs/build-support/dotnet/build-dotnet-module/default.nix

···
         else
           dotnet-sdk.meta.platforms;
 
-      hook = callPackage ./hook { inherit dotnet-sdk dotnet-runtime; };
+      hook = callPackage ./hook { inherit dotnet-runtime; };
 
       inherit (dotnetCorePackages) systemToDotnetRid;
     in

pkgs/build-support/dotnet/build-dotnet-module/hook/default.nix

···
 {
   lib,
-  stdenv,
   which,
   coreutils,
-  zlib,
-  openssl,
   makeSetupHook,
-  zip,
   # Passed from ../default.nix
-  dotnet-sdk,
   dotnet-runtime,
 }:
 makeSetupHook {
   name = "dotnet-hook";
   substitutions = {
-    dynamicLinker = "${stdenv.cc}/nix-support/dynamic-linker";
-    libPath = lib.makeLibraryPath [
-      stdenv.cc.cc
-      stdenv.cc.libc
-      dotnet-sdk.passthru.icu
-      zlib
-      openssl
-    ];
-    inherit zip;
-    dotnetRuntime = if (dotnet-runtime != null) then dotnet-runtime else null;
+    dotnetRuntime = dotnet-runtime;
     wrapperPath = lib.makeBinPath [
       which
       coreutils

pkgs/build-support/dotnet/build-dotnet-module/hook/dotnet-hook.sh

···
 
     runHook preConfigure
 
-    local -r dynamicLinker=@dynamicLinker@
-    local -r libPath=@libPath@
-
     if [[ -n $__structuredAttrs ]]; then
         local dotnetProjectFilesArray=( "${dotnetProjectFiles[@]}" )
         local dotnetTestProjectFilesArray=( "${dotnetTestProjectFiles[@]}" )