RDMA/bnxt_re: Remove a redundant check inside bnxt_re_vf_res_config

After the cited commit, there is no possibility that this check
can return true. Remove it.

Fixes: a43c26fa

 ("RDMA/bnxt_re: Remove the sriov config callback")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1705985677-15551-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>