Make task remove idempotent (#2260)
Make task remove idempotent (#2260)

Only call RemoteTaskStep if state is not already removed.

Signed-off-by: Nathaniel Clark <45a04abdf970c1f79095f9d6b340c7f6611b9dcd@whamcloud.com>
intel-hpdd/intel-manager-for-lustre,intel-hpdd/intel-manager-for-lustre,intel-hpdd/intel-manager-for-lustre