distribution/xfer/download_test: rm unused field

> distribution/xfer/download_test.go:29:2: `os` is unused (structcheck)

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
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Kir Kolyshkin 2019-08-06 17:25:51 -07:00 committed by Sebastiaan van Stijn
parent 7b6201f032
commit 21c2f0e656
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@ -26,7 +26,6 @@ type mockLayer struct {
diffID layer.DiffID
chainID layer.ChainID
parent layer.Layer
os string
}
func (ml *mockLayer) TarStream() (io.ReadCloser, error) {