.net core preview2 is already installed on appveyor

Author: enricosada

appveyor.yml

@@ -4,23 +4,10 @@ init:
   - git config --global core.autocrlf input
 
 environment:
-  global:
-    CLI_VERSION: 1.0.0-preview2-003121 # released preview1
   matrix:
     - BUILD_TARGET: DotnetCliTests
     - BUILD_TARGET: NuGet
 
-install:
-  # .NET Core SDK binaries
-  - ps: $url = "https://dotnetcli.blob.core.windows.net/dotnet/preview/Binaries/$($env:CLI_VERSION)/dotnet-dev-win-x64.$($env:CLI_VERSION.ToLower()).zip"
-  # Download .NET Core SDK and add to PATH
-  - ps: $env:DOTNET_INSTALL_DIR = "$pwd\.dotnetsdk"
-  - ps: mkdir $env:DOTNET_INSTALL_DIR -Force | Out-Null
-  - ps: $tempFile = [System.IO.Path]::GetTempFileName()
-  - ps: (New-Object System.Net.WebClient).DownloadFile($url, $tempFile)
-  - ps: Add-Type -AssemblyName System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory($tempFile, $env:DOTNET_INSTALL_DIR)
-  - ps: $env:Path = "$env:DOTNET_INSTALL_DIR;$env:Path"
-
 build_script:
   - ps: dotnet --info
   - cmd: build.cmd %BUILD_TARGET%