[PARISC] Kill wall_jiffies use

wall_jiffies and jiffies are now equal, so this is a noop...
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NKyle McMartin <kyle@parisc-linux.org>

arch/parisc/kernel/time.c

@@ -215,9 +215,6 @@ static inline unsigned long gettimeoffset (void)
 
 	/* FIXME: Can we improve the precision? Not with PAGE0. */
 	usec = (elapsed_cycles * 10000) / PAGE0->mem_10msec;
-
-	/* add in "lost" jiffies */
-	usec += cpt * (jiffies - wall_jiffies);
 	return usec;
 #else
 	return 0;