"For licencing details see kernel-base/COPYING" and similar license
references have no value over the SPDX identifier. Remove them.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
---
 include/linux/hrtimer.h      |    2 --
 kernel/time/clockevents.c    |    3 ---
 kernel/time/hrtimer.c        |    2 --
 kernel/time/tick-broadcast.c |    3 ---
 kernel/time/tick-common.c    |    3 ---
 kernel/time/tick-oneshot.c   |    3 ---
 kernel/time/tick-sched.c     |    2 --
 kernel/time/timer_list.c     |    4 ----
 8 files changed, 22 deletions(-)

--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -8,8 +8,6 @@
  *  data type definitions, declarations, prototypes
  *
  *  Started by: Thomas Gleixner and Ingo Molnar
- *
- *  For licencing details see kernel-base/COPYING
  */
 #ifndef _LINUX_HRTIMER_H
 #define _LINUX_HRTIMER_H
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -5,9 +5,6 @@
  * Copyright(C) 2005-2006, Thomas Gleixner <tglx@linutronix.de>
  * Copyright(C) 2005-2007, Red Hat, Inc., Ingo Molnar
  * Copyright(C) 2006-2007, Timesys Corp., Thomas Gleixner
- *
- * This code is licenced under the GPL version 2. For details see
- * kernel-base/COPYING.
  */
 
 #include <linux/clockchips.h>
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -20,8 +20,6 @@
  *
  *	George Anzinger, Andrew Morton, Steven Rostedt, Roman Zippel
  *	et. al.
- *
- *  For licencing details see kernel-base/COPYING
  */
 
 #include <linux/cpu.h>
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -6,9 +6,6 @@
  * Copyright(C) 2005-2006, Thomas Gleixner <tglx@linutronix.de>
  * Copyright(C) 2005-2007, Red Hat, Inc., Ingo Molnar
  * Copyright(C) 2006-2007, Timesys Corp., Thomas Gleixner
- *
- * This code is licenced under the GPL version 2. For details see
- * kernel-base/COPYING.
  */
 #include <linux/cpu.h>
 #include <linux/err.h>
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -6,9 +6,6 @@
  * Copyright(C) 2005-2006, Thomas Gleixner <tglx@linutronix.de>
  * Copyright(C) 2005-2007, Red Hat, Inc., Ingo Molnar
  * Copyright(C) 2006-2007, Timesys Corp., Thomas Gleixner
- *
- * This code is licenced under the GPL version 2. For details see
- * kernel-base/COPYING.
  */
 #include <linux/cpu.h>
 #include <linux/err.h>
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -6,9 +6,6 @@
  * Copyright(C) 2005-2006, Thomas Gleixner <tglx@linutronix.de>
  * Copyright(C) 2005-2007, Red Hat, Inc., Ingo Molnar
  * Copyright(C) 2006-2007, Timesys Corp., Thomas Gleixner
- *
- * This code is licenced under the GPL version 2. For details see
- * kernel-base/COPYING.
  */
 #include <linux/cpu.h>
 #include <linux/err.h>
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -7,8 +7,6 @@
  *  No idle tick implementation for low and high resolution timers
  *
  *  Started by: Thomas Gleixner and Ingo Molnar
- *
- *  Distribute under GPLv2.
  */
 #include <linux/cpu.h>
 #include <linux/err.h>
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -3,10 +3,6 @@
  * List pending timers
  *
  * Copyright(C) 2006, Red Hat, Inc., Ingo Molnar
- *
- * 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.
  */
 
 #include <linux/proc_fs.h>