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

Signed-off-by: Michael Malet <MichaelMa@square-enix.com>
I didn't add the `dockerpty.start` line in though, that was already there - the options for that line are the same as they have always been? The daemonized container was being run by the line which I've removed in this commit, as well as the container started by dockerpty.