remove obsolete flag
remove obsolete flag

Signed-off-by: David Varvel <74ac15c6b081a71010ca83a75b36b72f2b2223d0@pivotallabs.com>

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