Remove workload support from build

Author: sandyarmstrong

eng/Install-DotNetWorkloads.ps1

@@ -187,14 +187,6 @@ function Ensure-DotnetSdk() {
   throw "Could not find dotnet executable in $dotnetInstallDir"
 }
 
-function InitializeDotNetWorkloads()
-{
-  # Install any dotnet workloads specified in global.json
-  & $PSScriptRoot\Install-DotNetWorkloads.ps1 `
-    -globalJsonPath (Join-Path $RepoRoot 'global.json') `
-    -nugetConfigPath (Join-Path $RepoRoot 'NuGet.config') | Out-Null
-}
-
 # Walks up the source tree, starting at the given file's directory, and returns a FileInfo object for the first .csproj file it finds, if any.
 function Get-ProjectFile([object]$fileInfo) {
   Push-Location

eng/build-utils.ps1

@@ -723,7 +723,6 @@ try {
 
   if ($restore) {
     &(Ensure-DotNetSdk) tool restore
-    InitializeDotNetWorkloads
   }
 
   try

eng/build.ps1

@@ -293,13 +293,8 @@ if [[ "$restore" == true || "$test_core_clr" == true ]]; then
   install=true
 fi
 InitializeDotNetCli $install
-if [[ "$restore" == true ]]; then
+if [[ "$restore" == true && "$source_build" != true ]]; then
   dotnet tool restore
-
-  # Install any dotnet workloads specified in global.json
-  dotnet tool run pwsh "$scriptroot/Install-DotNetWorkloads.ps1" \
-    -globalJsonPath "$repo_root/global.json" \
-    -nugetConfigPath "$repo_root/NuGet.config"
 fi
 
 bootstrap_dir=""

eng/build.sh

@@ -282,8 +282,6 @@ try {
   $script:bootstrapConfiguration = "Release"
   $bootstrapDir = Make-BootstrapBuild
 
-  InitializeDotNetWorkloads
-
   Run-Test
   exit 0
 }