ppc/hdpu: remove dead IDE code

Also remove now not needed <linux/ide.h> include.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

arch/ppc/platforms/hdpu.c

@@ -16,7 +16,6 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/irq.h>
-#include <linux/ide.h>
 #include <linux/seq_file.h>
 #include <linux/platform_device.h>
 
@@ -604,41 +603,6 @@ static void parse_bootinfo(unsigned long r3,
 	}
 }
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-static void
-hdpu_ide_request_region(ide_ioreg_t from, unsigned int extent, const char *name)
-{
-	request_region(from, extent, name);
-	return;
-}
-
-static void hdpu_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	release_region(from, extent);
-	return;
-}
-
-static void __init
-hdpu_ide_pci_init_hwif_ports(hw_regs_t * hw, ide_ioreg_t data_port,
-			     ide_ioreg_t ctrl_port, int *irq)
-{
-	struct pci_dev *dev;
-
-	pci_for_each_dev(dev) {
-		if (((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) ||
-		    ((dev->class >> 8) == PCI_CLASS_STORAGE_RAID)) {
-			hw->irq = dev->irq;
-
-			if (irq != NULL) {
-				*irq = dev->irq;
-			}
-		}
-	}
-
-	return;
-}
-#endif
-
 void hdpu_heartbeat(void)
 {
 	if (mv64x60_read(&bh, MV64x60_GPP_VALUE) & (1 << 5))