Fix truncated output in `fig run` - resolves #658

Signed-off-by: Michael Malet <MichaelMa@square-enix.com>
I don't think that's true. The container was being started by the line you removed. dockerpty only starts the container if it's not already running (https://github.com/d11wtq/dockerpty/blob/master/dockerpty/pty.py#L144).

So now that the line is removed, it's being started by dockerpty, but with different options (`service.start_container()` adds the options).