Remove nested progress.Tee usage
Remove nested progress.Tee usage

The call to progress.NewReader already creates a Tee.
This nesting caused prevented progress from exiting when an error occurs during import.vmdk upload.

bruceadowns/govmomi,bruceadowns/govmomi,bruceadowns/govmomi,vmware/govmomi,vmware/govmomi,vmware/govmomi