bna: remove variable num_entries

Variable num_entries is just being incremented and it's never used
anywhere else. The variable and the increment are redundant so
remove it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221024125951.2155434-1-colin.i.king@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/brocade/bna/bfa_msgq.c

@@ -202,7 +202,6 @@ static void
 __cmd_copy(struct bfa_msgq_cmdq *cmdq, struct bfa_msgq_cmd_entry *cmd)
 {
 	size_t len = cmd->msg_size;
-	int num_entries = 0;
 	size_t to_copy;
 	u8 *src, *dst;
 
@@ -219,7 +218,6 @@ __cmd_copy(struct bfa_msgq_cmdq *cmdq, struct bfa_msgq_cmd_entry *cmd)
 		BFA_MSGQ_INDX_ADD(cmdq->producer_index, 1, cmdq->depth);
 		dst = (u8 *)cmdq->addr.kva;
 		dst += (cmdq->producer_index * BFI_MSGQ_CMD_ENTRY_SIZE);
-		num_entries++;
 	}
 
 }