Drop dead code

windows/VsDevEnv.ps1

-pushd "C:/Program Files (x86)/Microsoft Visual Studio/2017/BuildTools/Common7/Tools"
-cmd /c "VsDevCmd.bat $args & set" |
-foreach {
-  if ($_ -match "=") {
-    $v = $_.split("="); set-item -force -path "ENV:\$($v[0])"  -value "$($v[1])"
-  }
-}
-popd
\ No newline at end of file