bnxt: Fix typo in comments

Remove the repeated word 'and' from comments
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Link: https://lore.kernel.org/r/20220622144526.20659-1-jiangjian@cdjrlc.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -10658,7 +10658,7 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
 	while (bnxt_drv_busy(bp))
 		msleep(20);
 
-	/* Flush rings and and disable interrupts */
+	/* Flush rings and disable interrupts */
 	bnxt_shutdown_nic(bp, irq_re_init);
 
 	/* TODO CHIMP_FW: Link/PHY related cleanup if (link_re_init) */