xtensa: remove dead CONFIG_BLK_DEV_IDE code

I don't know why this was there, but it was dead code.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: chris@zankel.net
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

arch/xtensa/kernel/setup.c

@@ -53,11 +53,6 @@ extern struct fd_ops no_fd_ops;
 struct fd_ops *fd_ops;
 #endif
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-extern struct ide_ops no_ide_ops;
-struct ide_ops *ide_ops;
-#endif
-
 extern struct rtc_ops no_rtc_ops;
 struct rtc_ops *rtc_ops;