Remove dead code from make.ps1 (IronLanguages#2007)

Author: slozier

make.ps1

@@ -17,30 +17,6 @@ $ErrorActionPreference="Continue"
 
 $_BASEDIR = Split-Path -Path $MyInvocation.MyCommand.Definition -Parent
 
-function EnsureMSBuild() {
-    $_VSWHERE = [System.IO.Path]::Combine(${env:ProgramFiles(x86)}, 'Microsoft Visual Studio\Installer\vswhere.exe')
-    $_VSINSTPATH = ''
-
-    if([System.IO.File]::Exists($_VSWHERE)) {
-        $_VSINSTPATH = & "$_VSWHERE" -latest -requires Microsoft.Component.MSBuild -property installationPath
-    } else {
-        Write-Error "Visual Studio 2022 17.14.26 or later is required"
-        Exit 1
-    }
-
-    if(-not [System.IO.Directory]::Exists($_VSINSTPATH)) {
-        Write-Error "Could not determine installation path to Visual Studio"
-        Exit 1
-    }
-
-    if([System.IO.File]::Exists([System.IO.Path]::Combine($_VSINSTPATH, 'MSBuild\Current\Bin\MSBuild.exe'))) {
-        $_MSBUILDPATH = [System.IO.Path]::Combine($_VSINSTPATH, 'MSBuild\Current\Bin\')
-        if ($env:PATH -split ';' -notcontains $_MSBUILDPATH) {
-            $env:PATH = [String]::Join(';', $env:PATH, $_MSBUILDPATH)
-        }
-    }
-}
-
 function Main([String] $target, [String] $configuration) {
     # verify that the DLR submodule has been initialized
     if(![System.Linq.Enumerable]::Any([System.IO.Directory]::EnumerateFileSystemEntries([System.IO.Path]::Combine($_BASEDIR, "src/dlr")))) {
@@ -75,7 +51,7 @@ function GenerateRunSettings([String] $framework, [String] $platform, [String] $
     $doc.AppendChild($dec) | Out-Null
 
     $runSettings = $doc.CreateElement("RunSettings")
-    
+
     $runConfiguration = $doc.CreateElement("RunConfiguration")
     $runSettings.AppendChild($runConfiguration) | Out-Null
     if ($platform) {