ice: remove redundant assignment to variable xmit_done

The variable xmit_done is being initialized with a value that is never
read and it is being updated later with a new value. The initialization
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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

@@ -1020,8 +1020,8 @@ bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget)
 	s16 ntc = xdp_ring->next_to_clean;
 	struct ice_tx_desc *tx_desc;
 	struct ice_tx_buf *tx_buf;
-	bool xmit_done = true;
 	u32 xsk_frames = 0;
+	bool xmit_done;
 
 	tx_desc = ICE_TX_DESC(xdp_ring, ntc);
 	tx_buf = &xdp_ring->tx_buf[ntc];