The download methods used to take the destination by value
and return them again, since this was required when using
combinators before we had `async fn`.
But this is just an ugly left-over now.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
futures-0.3 has a futures::future::abortable() function
which does the exact same, returns an Abortable future with
an AbortHandle providing an abort() method.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
