work on a clone of ssh_options rather than the original when removing options about port forwards, so retries dont fail
work on a clone of ssh_options rather than the original when removing options about port forwards, so retries dont fail

Signed-off-by: Jaymz Julian <b8eb3a843423d6c5f0e756be7258b3cbc61da9d7@limepoint.com>

chef/chef-provisioning,chef/chef-provisioning