Remove AppVeyor

appveyor.yml

@@ -1,7 +0,0 @@
-image: Visual Studio 2017
-build: off
-test_script:
-- ps: build\build.ps1 -Script build\build.cake -Target AppVeyor
-deploy: off
-artifacts:
-- path: output\**\*.nupkg

build/build.cake

@@ -56,10 +56,6 @@ Task("Test")
     .IsDependentOn("Build")
     .IsDependentOn("Run-Unit-Tests");
 
-Task("AppVeyor")
-    .IsDependentOn("Build")
-    .IsDependentOn("Test");
-
 //////////////////////////////////////////////////////////////////////
 // EXECUTION
 //////////////////////////////////////////////////////////////////////