Revert change so help is printed on stdout again (#1004)
Revert change so help is printed on stdout again (#1004)

Fixes #1002
For backwards compatibility reasons, and to follow the need of
https://github.com/kubernetes/kubernetes/pull/26077#issuecomment-230818900
the help message should be printed on stdout.

Signed-off-by: Marc Khouzam <f4a9dd7a4da9e90228a1f1935992f35508714eb1@gmail.com>
spf13/cobra,liggitt/cobra