qcacld-3.0: Remove reason code check in wlan_hdd_connectivity_fail_event
In api wlan_hdd_connectivity_fail_event(), the reason code
of connect response is checked.
Removing the reason code check as there is no reason code
that is zero and this check is redundant.
Change-Id: Ib516cdba75fa8af6df13805313233fe9c02a3983
CRs-Fixed: 3486387