Remove test tasks from Windows pipeline
Remove test tasks from Windows pipeline

This has been extracted to the bosh-agent pipeline. The Windows
specific pipeline is used only for creating stemcells.

[#118583935]

Signed-off-by: Matthew Horan <eddfe3ddf47abba1865e969c360708dff8ab1fba@pivotal.io>

mattcui/bosh-agent,mattcui/bosh-agent,gu-bin/bosh-agent,cloudfoundry/bosh-agent,gu-bin/bosh-agent,cloudfoundry/bosh-agent,mattcui/bosh-agent,gu-bin/bosh-agent