Daniel Almcf323b474cGet rid of the `callbackQueue` argument for `CompletionQueue.runToCompletion`, as we only use it on one occasion, and on that occasion we already dispatch the completion block on that queue anyway.
cf323b474c
Get rid of the `callbackQueue` argument for `CompletionQueue.runToCompletion`, as we only use it on one occasion, and on that occasion we already dispatch the completion block on that queue anyway.