btrfs/001: filter subvol delete output

btrfs/001 is failing as the below btrfs-progs patch changed the
output during subvol delete.
Patch :
btrfs-progs: add options to set commit mode after subvol delete

adding it to the filter

Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

common/filter.btrfs

@@ -57,5 +57,15 @@ _filter_btrfs_device_stats()
 	sed -e "s/ *$NUMDEVS /<NUMDEVS> /g"
 }
 
+_filter_transcation_commit_default() {
+	sed -e "/Transaction commit: none (default)/d"
+}
+
+_filter_btrfs_subvol_delete()
+{
+	_filter_scratch | _filter_transcation_commit_default
+
+}
+
 # make sure this script returns success
 /bin/true