gluster: fix Brick removeAllInBatch proc name

ProcedureNameForRemove is set to 'DeleteGlusterVolumeBrick'.
Added testcase for the bricks removeAllInBatch

Change-Id: I21b46a748f9480fada40dc452fc6a773e965ae3f
Signed-off-by: Kanagaraj M <kmayilsa@redhat.com>