[S390] time: remove unused code

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/time.c

@@ -51,14 +51,6 @@
 #define USECS_PER_JIFFY     ((unsigned long) 1000000/HZ)
 #define CLK_TICKS_PER_JIFFY ((unsigned long) USECS_PER_JIFFY << 12)
 
-/*
- * Create a small time difference between the timer interrupts
- * on the different cpus to avoid lock contention.
- */
-#define CPU_DEVIATION       (smp_processor_id() << 12)
-
-#define TICK_SIZE tick
-
 u64 sched_clock_base_cc = -1;	/* Force to data section. */
 EXPORT_SYMBOL_GPL(sched_clock_base_cc);