bnxt: delete some unreachable code

We return on the previous line so this "return 0;" statement should just
be deleted.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c

@@ -148,7 +148,6 @@ static int bnxt_vf_rep_setup_tc_block(struct net_device *dev,
 		return tcf_block_cb_register(f->block,
 					     bnxt_vf_rep_setup_tc_block_cb,
 					     vf_rep, vf_rep);
-		return 0;
 	case TC_BLOCK_UNBIND:
 		tcf_block_cb_unregister(f->block,
 					bnxt_vf_rep_setup_tc_block_cb, vf_rep);