qcacld-3.0: Remove hdd_multicast_addr_list isFilterApplied

Field isFilterApplied in struct hdd_multicast_addr_list is no longer
used, so remove it.

Change-Id: I3018c55a82741e7fc80e37f2ebaa08370f2411e0
CRs-Fixed: 2134915

core/hdd/inc/wlan_hdd_main.h

@@ -887,7 +887,6 @@ struct hdd_scan_info {
 
 #ifdef WLAN_FEATURE_PACKET_FILTERING
 struct hdd_multicast_addr_list {
-	uint8_t isFilterApplied;
 	uint8_t mc_cnt;
 	uint8_t addr[WLAN_HDD_MAX_MC_ADDR_LIST][ETH_ALEN];
 };