Update design to describe desired state REMOVE behavior for tasks
Update design to describe desired state REMOVE behavior for tasks

Signed-off-by: Nishant Totla <18d513b5cc13a17570075e17ff7a4e1db98175e4@gmail.com>

docker/swarmkit,dperny/swarmkit-1,alyyousuf7/swarmkit,dperny/swarmkit-1,alyyousuf7/swarmkit,docker/swarmkit