qcacld-3.0: Finish removing CONFIG_WLAN_FEATURE_NAN_DATAPATH
Change If98ecaace17f8724e9c28325ef61e721f42e1d8f ("qcacld-3.0: Combine
all NAN related flags with WLAN_FEATURE_NAN") removed all usage of
CONFIG_WLAN_FEATURE_NAN_DATAPATH, but did not remove the references
from the defconfig files, so do it now.
Change-Id: I1484a8917c1128637bd16009bd2237b6e99976f0
CRs-Fixed: 3489449