qcacmn: Remove event report when failed to allocate memory

qcacld-2.0 to qcacld-3.0 propagation

There will be recursive call for vos_mem_malloc once there is memory
allocation failure, because vos_mem_malloc is called to allocate message
buffer for WIFI_EVENT_MEMORY_FAILURE.

Remove this event report in this change.

Change-Id: I897af2428af7e21c2962d5c91969930125178e74
CRs-Fixed: 2010103
1 file changed