qcacmn: Use vdev based ast_idx and hash for all tx frames

FW uses CCE rule to exception all mcast/bcast frames. Ast_idx
override does not help in sending them to TQM directly.

Change-Id: Iad6c1e8073f5c5d0513adb7097d5024177b7b7f5

dp/wifi3.0/dp_tx.h

@@ -159,15 +159,12 @@ struct dp_tx_msdu_info_s {
 	uint8_t tid;
 	uint8_t exception_fw;
 	uint8_t is_tx_sniffer;
-	uint8_t search_type;
 	union {
 		struct qdf_tso_info_t tso_info;
 		struct dp_tx_sg_info_s sg_info;
 	} u;
 	uint32_t meta_data[DP_TX_MSDU_INFO_META_DATA_DWORDS];
 	uint16_t ppdu_cookie;
-	uint16_t ast_idx;
-	uint16_t ast_hash;
 };
 
 /**