net: e1000: remove repeated word "slot" for e1000_main.c

There are double "slot" in comment, so remove the redundant one.
Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/e1000/e1000_main.c

@@ -5245,7 +5245,7 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
 	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
 		pci_disable_device(pdev);
 
-	/* Request a slot slot reset. */
+	/* Request a slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
 }