wifi: mt76: mt7921: delete stray if statement

This if statement is never true.  It was supposed to have been deleted
as part of commit 454b768f ("mt76: mt7921: Let PCI core handle
power state and use pm_sleep_ptr()") but was missed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/pci.c

@@ -406,9 +406,6 @@ static int mt7921_pci_suspend(struct device *device)
 	if (err)
 		goto restore_napi;
 
-	if (err)
-		goto restore_napi;
-
 	return 0;
 
 restore_napi: