qcacld-3.0: Remove duplicate cds_deinit_policy_mgr in error handling
hdd_wlan_stop_modules takes care of the cds_deinit_policy_mgr call.
Therefore hdd_wlan_startup doesn not need to directly call this api.
Change-Id: Ic9abbeb44697e6e9a02208eadad48e9a4cdcc16a
CRs-Fixed: 1079503