gluster: Set host name instead of IP in remove bricks status

Modified the query to set the host name instead of localhost or IP
in gluster volume remove bricks status details.

Change-Id: I655a664956bae1bcd91564d5867e160409bd9403
Bug-Url: https://bugzilla.redhat.com/1019561
Signed-off-by: Shubhendu Tripathi <shtripat@redhat.com>