treewide: don't unnecessary set dotnet-related env vars

These have been moved to a setup hook in dotnet-{sdk,runtime,aspnetcore}

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

@@ -129,9 +129,6 @@ in stdenvNoCC.mkDerivation (args // {
   # gappsWrapperArgs gets included when wrapping for dotnet, as to avoid double wrapping
   dontWrapGApps = args.dontWrapGApps or true;
 
-  DOTNET_NOLOGO = args.DOTNET_NOLOGO or true; # This disables the welcome message.
-  DOTNET_CLI_TELEMETRY_OPTOUT = args.DOTNET_CLI_TELEMETRY_OPTOUT or true;
-
   passthru = {
     fetch-deps = writeScript "fetch-${pname}-deps" ''
       set -euo pipefail

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

@@ -9,8 +9,6 @@ dotnetConfigureHook() {
         parallelFlag="--disable-parallel"
     fi
 
-    export HOME=$(mktemp -d)
-
     for project in ${projectFile[@]} ${testProjectFile[@]}; do
         env \
             dotnet restore "$project" \

pkgs/development/tools/continuous-integration/github-runner/default.nix

@@ -102,11 +102,6 @@ stdenv.mkDerivation rec {
   configurePhase = ''
     runHook preConfigure
 
-    # Set up Nuget dependencies
-    export HOME=$(mktemp -d)
-    export DOTNET_CLI_TELEMETRY_OPTOUT=1
-    export DOTNET_NOLOGO=1
-
     # Never use nuget.org
     nuget sources Disable -Name "nuget.org"
 

pkgs/development/tools/misc/netcoredbg/default.nix

@@ -24,14 +24,7 @@ let
   unmanaged = clangStdenv.mkDerivation rec {
     inherit src pname version;
 
-    nativeBuildInputs = [ cmake ];
-
-    # Building the "unmanaged part" still involves compiling C# code.
-    preBuild = ''
-      export HOME=$(mktemp -d)
-      export DOTNET_CLI_TELEMETRY_OPTOUT=1
-      export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
-    '';
+    nativeBuildInputs = [ cmake dotnet-sdk ];
 
     hardeningDisable = [ "strictoverflow" ];
 

pkgs/servers/jellyfin/default.nix

@@ -70,11 +70,6 @@ stdenv.mkDerivation rec {
   configurePhase = ''
     runHook preConfigure
 
-    export HOME=$(mktemp -d)
-
-    export DOTNET_CLI_TELEMETRY_OPTOUT=1
-    export DOTNET_NOLOGO=1
-
     nuget sources Add -Name nixos -Source "$PWD/nixos"
     nuget init "$nugetDeps" "$PWD/nixos"
 

pkgs/servers/nosql/eventstore/default.nix

@@ -43,10 +43,6 @@ stdenv.mkDerivation rec {
   '';
 
   buildPhase = ''
-    mkdir home
-    export HOME=$PWD/home
-    export DOTNET_CLI_TELEMETRY_OPTOUT=1
-    export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
     export FrameworkPathOverride=${mono}/lib/mono/4.7.1-api
 
     # disable default-source so nuget does not try to download from online-repo