remove rdp debug from appveyor

Author: tgauth

appveyor.yml

@@ -13,7 +13,6 @@ build_script:
 
 after_build:
   - ps: |
-      $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
       Import-Module $env:APPVEYOR_BUILD_FOLDER\contrib\win32\openssh\AppveyorHelper.psm1
       Install-OpenSSH