Update appveyor config

Author: fanatid

appveyor.yml

@@ -13,8 +13,6 @@ platform:
   - x64
 install:
   - git submodule update --init --recursive
-  - ps: Start-FileDownload 'https://slproweb.com/download/Win32OpenSSL-1_0_2j.exe'
-  - ps: Start-Process "Win32OpenSSL-1_0_2j" -ArgumentList "/silent /verysilent /sp- /suppressmsgboxes" -Wait
   - ps: Install-Product node $env:nodejs_version $env:platform
   - npm -g install npm@latest
   - set PATH=%APPDATA%\npm;%APPVEYOR_BUILD_FOLDER%\node_modules\.bin;%PATH%