ice: avoid XDP checks in ice_clean_tx_irq()

Commit 9610bd98 ("ice: optimize XDP_TX workloads") introduced Tx IRQ
cleaning routine dedicated for XDP rings. Currently it is impossible to
call ice_clean_tx_irq() against XDP ring, so it is safe to drop
ice_ring_is_xdp() calls in there.
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>  (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_txrx.c

@@ -223,8 +223,7 @@ static bool ice_clean_tx_irq(struct ice_tx_ring *tx_ring, int napi_budget)
 	struct ice_tx_buf *tx_buf;
 
 	/* get the bql data ready */
-	if (!ice_ring_is_xdp(tx_ring))
-		netdev_txq_bql_complete_prefetchw(txring_txq(tx_ring));
+	netdev_txq_bql_complete_prefetchw(txring_txq(tx_ring));
 
 	tx_buf = &tx_ring->tx_buf[i];
 	tx_desc = ICE_TX_DESC(tx_ring, i);
@@ -313,10 +312,6 @@ static bool ice_clean_tx_irq(struct ice_tx_ring *tx_ring, int napi_budget)
 	tx_ring->next_to_clean = i;
 
 	ice_update_tx_ring_stats(tx_ring, total_pkts, total_bytes);
-
-	if (ice_ring_is_xdp(tx_ring))
-		return !!budget;
-
 	netdev_tx_completed_queue(txring_txq(tx_ring), total_pkts, total_bytes);
 
 #define TX_WAKE_THRESHOLD ((s16)(DESC_NEEDED * 2))