nuget-to-nix: use dotnet from PATH

The dotnet sdk used usually needs to match the one required by the
project (global.json). Having the dependcy in nix just meant it always
had to be overridden.

pkgs/build-support/dotnet/nuget-to-nix/default.nix

@@ -9,7 +9,6 @@
 , curl
 , gnugrep
 , gawk
-, dotnet-sdk
 }:
 
 runCommandLocal "nuget-to-nix" {
@@ -25,7 +24,6 @@ runCommandLocal "nuget-to-nix" {
       curl
       gnugrep
       gawk
-      dotnet-sdk
     ];
   };
 

pkgs/build-support/dotnet/nuget-to-nix/nuget-to-nix.sh

@@ -3,7 +3,7 @@
 set -euo pipefail
 shopt -s nullglob
 
-export PATH="@binPath@"
+export PATH="@binPath@:$PATH"
 # used for glob ordering of package names
 export LC_ALL=C
 

pkgs/development/compilers/dotnet/stage0.nix

@@ -79,7 +79,7 @@ let
           nativeBuildInputs = old.nativeBuildInputs ++ [
             nix
             cacert
-            (nuget-to-nix.override { dotnet-sdk = dotnetSdk; })
+            nuget-to-nix
           ];
           postPatch = old.postPatch or "" + ''
             xmlstarlet ed \