Remove windows v1 runtime

Closes #3094

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

container_test.go

@@ -40,7 +40,6 @@ import (
 	specs "github.com/opencontainers/runtime-spec/specs-go"
 
 	"github.com/containerd/containerd/errdefs"
-	"github.com/containerd/containerd/windows/hcsshimtypes"
 	gogotypes "github.com/gogo/protobuf/types"
 )
 
@@ -441,20 +440,13 @@ func TestContainerPids(t *testing.T) {
 		t.Errorf("invalid task pid %d", pid)
 	}
 	processes, err := task.Pids(ctx)
-	if err != nil {
-		t.Fatal(err)
-	}
 	switch runtime.GOOS {
 	case "windows":
-		if processes[0].Info == nil {
-			t.Error("expected additional process information but received nil")
-		} else {
-			var details hcsshimtypes.ProcessDetails
-			if err := details.Unmarshal(processes[0].Info.Value); err != nil {
-				t.Errorf("expected Windows info type hcsshimtypes.ProcessDetails %v", err)
-			}
-		}
+		// TODO: This is currently not implemented on windows
 	default:
+		if err != nil {
+			t.Fatal(err)
+		}
 		if l := len(processes); l != 1 {
 			t.Errorf("expected 1 process but received %d", l)
 		}