core/pci: remove misleading fast reboot comment

We have fast reboot now, so pci_reset() is no longer a "remnant" thereof.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

core/pci.c

@@ -1531,8 +1531,6 @@ void pci_reset(void)
 
 	prlog(PR_NOTICE, "PCI: Clearing all devices...\n");
 
-	/* This is a remnant of fast-reboot, not currently used */
-
 	/* XXX Do those in parallel (at least the power up
 	 * state machine could be done in parallel)
 	 */