Remove dead files

Noted by Keith Owens.

include/asm-arm26/keyboard.h.old

-/*
- *  linux/include/asm-arm/keyboard.h
- *
- *  Copyright (C) 1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Keyboard driver definitions for ARM
- */
-#ifndef __ASM_ARM_KEYBOARD_H
-#define __ASM_ARM_KEYBOARD_H
-
-#include <linux/kd.h>
-#include <linux/pm.h>
-
-/*
- * We provide a unified keyboard interface when in VC_MEDIUMRAW
- * mode.  This means that all keycodes must be common between
- * all supported keyboards.  This unfortunately puts us at odds
- * with the PC keyboard interface chip... but we can't do anything
- * about that now.
- */
-#ifdef __KERNEL__
-
-extern int  (*k_setkeycode)(unsigned int, unsigned int);
-extern int  (*k_getkeycode)(unsigned int);
-extern int  (*k_translate)(unsigned char, unsigned char *, char);
-extern char (*k_unexpected_up)(unsigned char);
-extern void (*k_leds)(unsigned char);
-
-
-static inline int kbd_setkeycode(unsigned int sc, unsigned int kc)
-{
-	int ret = -EINVAL;
-
-	if (k_setkeycode)
-		ret = k_setkeycode(sc, kc);
-
-	return ret;
-}
-
-static inline int kbd_getkeycode(unsigned int sc)
-{
-	int ret = -EINVAL;
-
-	if (k_getkeycode)
-		ret = k_getkeycode(sc);
-
-	return ret;
-}
-
-static inline void kbd_leds(unsigned char leds)
-{
-	if (k_leds)
-		k_leds(leds);
-}
-
-extern int k_sysrq_key;
-extern unsigned char *k_sysrq_xlate;
-
-#define SYSRQ_KEY		k_sysrq_key
-#define kbd_sysrq_xlate		k_sysrq_xlate
-#define kbd_translate		k_translate
-#define kbd_unexpected_up	k_unexpected_up
-
-#define NR_SCANCODES 128
-
-extern int a5kkbd_init_hw(void);
-
-#define kbd_disable_irq()       disable_irq(IRQ_KEYBOARDRX)
-#define kbd_enable_irq()        enable_irq(IRQ_KEYBOARDRX)
-#define kbd_init_hw()           a5kkbd_init_hw()
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASM_ARM_KEYBOARD_H */