stop teeing wshd output to disk
stop teeing wshd output to disk

this left the tee processes around as long as the container was running. in
practice a container is usually destroyed once something completes or goes
wrong, so having these on disk is not too helpful.

Signed-off-by: Alex Suraci <a8053324ea51f0cc533cfe7b17f8bee3c920919f@pivotallabs.com>

shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux