qcacld-3.0: Fix host debug message flooding for unicast traffic

The debug message was added to identify a case of trying to
send a unicast traffic to an unknown peer. However, as per the
implementation, the debug print becomes always true while
sending unicast traffic in station or p2p client mode.

Integration from qcacld-2.0 to qcacld-3.0.

CRs-Fixed: 1051920
Change-Id: I849317c699ffca1e057c4e59747e08535baca381

core/hdd/src/wlan_hdd_tx_rx.c

@@ -320,8 +320,6 @@ static void hdd_get_transmit_sta_id(hdd_adapter_t *adapter,
 				qdf_is_macaddr_group(dst_addr)) {
 			hdd_info("Received MC/BC packet for transmission");
 			mcbc_addr = true;
-		} else {
-			hdd_err("UC frame with invalid destination address");
 		}
 	}