webadmin: update hash name for remove brick status

  Updating the hash name for remove brick and rebalance
status pop ups.

Change-Id: Ia7b359a9a0f9c004b1ab6b654d77bd28a08027c6
Bug-Url: https://bugzilla.redhat.com/1044932
Signed-off-by: Ramesh Nachimuthu <rnachimu@redhat.com>