intel/igbvf:fix repeated words in comments

Delete the redundant word 'on'.
Delete the redundant word 'slot'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/igbvf/igbvf.h

@@ -227,7 +227,7 @@ struct igbvf_adapter {
 
 	/* The VF counters don't clear on read so we have to get a base
 	 * count on driver start up and always subtract that base on
-	 * on the first update, thus the flag..
+	 * the first update, thus the flag..
 	 */
 	struct e1000_vf_stats stats;
 	u64 zero_base;

drivers/net/ethernet/intel/igbvf/netdev.c

@@ -2537,7 +2537,7 @@ static pci_ers_result_t igbvf_io_error_detected(struct pci_dev *pdev,
 		igbvf_down(adapter);
 	pci_disable_device(pdev);
 
-	/* Request a slot slot reset. */
+	/* Request a slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
 }