ide: remove redundant hwif->present check from ide_register_hw()

We check earlier for hwif->present and call ide_unregister() if necessary
(after ide_unregister() hwif->present will be always cleared).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index eeb0e6a..a71591a 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -720,8 +720,6 @@
 		ide_init_port_data(hwif, index);
 		init_hwif_default(hwif, index);
 	}
-	if (hwif->present)
-		return -1;
 
 	ide_init_port_hw(hwif, hw);
 	hwif->quirkproc = quirkproc;