libata-portmap: Remove unused definitions

With the PCI layer properly handling legacy IDE and the kernel now using
it these can go

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

include/asm-generic/libata-portmap.h

 #ifndef __ASM_GENERIC_LIBATA_PORTMAP_H
 #define __ASM_GENERIC_LIBATA_PORTMAP_H
 
-#define ATA_PRIMARY_CMD		0x1F0
-#define ATA_PRIMARY_CTL		0x3F6
 #define ATA_PRIMARY_IRQ(dev)	14
-
-#define ATA_SECONDARY_CMD	0x170
-#define ATA_SECONDARY_CTL	0x376
 #define ATA_SECONDARY_IRQ(dev)	15
 
 #endif