i40e/i40evf: remove useless initializer

This initializer isn't needed because the variable is assigned right
away.

Change-ID: I6ce3edb3f4e0364db248a7a0bcc62ca95c01d941
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_txrx.c

@@ -740,14 +740,12 @@ static bool i40e_clean_tx_irq(struct i40e_vsi *vsi,
 	tx_ring->q_vector->tx.total_packets += total_packets;
 
 	if (tx_ring->flags & I40E_TXR_FLAGS_WB_ON_ITR) {
-		unsigned int j = 0;
-
 		/* check to see if there are < 4 descriptors
 		 * waiting to be written back, then kick the hardware to force
 		 * them to be written back in case we stay in NAPI.
 		 * In this mode on X722 we do not enable Interrupt.
 		 */
-		j = i40e_get_tx_pending(tx_ring, false);
+		unsigned int j = i40e_get_tx_pending(tx_ring, false);
 
 		if (budget &&
 		    ((j / (WB_STRIDE + 1)) == 0) && (j != 0) &&

drivers/net/ethernet/intel/i40evf/i40e_txrx.c

@@ -259,13 +259,12 @@ static bool i40e_clean_tx_irq(struct i40e_vsi *vsi,
 	tx_ring->q_vector->tx.total_packets += total_packets;
 
 	if (tx_ring->flags & I40E_TXR_FLAGS_WB_ON_ITR) {
-		unsigned int j = 0;
 		/* check to see if there are < 4 descriptors
 		 * waiting to be written back, then kick the hardware to force
 		 * them to be written back in case we stay in NAPI.
 		 * In this mode on X722 we do not enable Interrupt.
 		 */
-		j = i40evf_get_tx_pending(tx_ring, false);
+		unsigned int j = i40evf_get_tx_pending(tx_ring, false);
 
 		if (budget &&
 		    ((j / (WB_STRIDE + 1)) == 0) && (j > 0) &&