Remove code to publish with build on AppVeyor

Author: AArnott

appveyor.yml

@@ -23,11 +23,3 @@ build:
 artifacts:
 - path: bin\**\*.nupkg
   name: NuGet Packages
-on_success:
-- ps: >-
-    if ($env:NuGetApiKey -and $env:APPVEYOR_REPO_TAG_NAME -match "^v\d\.\d") {
-        Write-Output "Publishing release packages to nuget.org due to pushed tag $env:APPVEYOR_REPO_TAG_NAME"
-        Get-ChildItem bin\Release\Packages\*.nupkg -exclude *.symbols.nupkg |% {
-            nuget push $_ -ApiKey $env:NuGetApiKey
-        }
-    }