atlantic: Remove warn trace message.

Remove the warn trace message - it's not a correct check here, because
the function can still be called on the device in DOWN state

Fixes: 508f2e3d ("net: atlantic: split rx and tx per-queue stats")
Signed-off-by: Sameer Saurabh <ssaurabh@marvell.com>
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_vec.c

@@ -362,9 +362,6 @@ unsigned int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u
 {
 	unsigned int count;
 
-	WARN_ONCE(!aq_vec_is_valid_tc(self, tc),
-		  "Invalid tc %u (#rx=%u, #tx=%u)\n",
-		  tc, self->rx_rings, self->tx_rings);
 	if (!aq_vec_is_valid_tc(self, tc))
 		return 0;