qcacld-3.0: Remove the unnecessary compiler marco
Propagate from qcacld-2.0 to qcacld-3.0
In WLANSAP_ScanCallback(), the local variable event is contained
in a unnecessary compiler marco. Remove it to avoid some compilation
error risk.
Change-Id: Ia3249c464f909896af5f242510742c68ad02cc5a
CRs-Fixed: 979671