Removed stupid os from appveyor because this shit is not available to everyone fucking hell
Removed stupid os from appveyor because this shit is not available to everyone fucking hell

gerardtoconnor/Giraffe,dustinmoris/Giraffe,dustinmoris/AspNetCore.Lambda,gerardtoconnor/Giraffe,dustinmoris/Giraffe,dustinmoris/Giraffe