net/bnxt: remove workaround for default VNIC

net/bnxt: remove workaround for default VNIC

On older Wh+ firmware versions, HWRM_FUNC_QCFG returns zero
for the parent default vnic. Commit "3fb93bc7c349" added a
temporary Wh+-specific workaround in the PMD.
This has been fixed in latest firmware and hence removing
the workaround.

Fixes: 3fb93bc7c349 ("net/bnxt: initialize parent PF information")
Cc: stable@dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Lance Richardson <lance.richardson@broadcom.com>