x86: remove duplicate call to use_tsc_delay

Integration generated a duplicate call to use_tsc_delay.
Particularly, the one that is done before we check for general
tsc usability seems wrong.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/tsc.c

@@ -513,7 +513,6 @@ void __init tsc_init(void)
 	 */
 	for_each_possible_cpu(cpu)
 		set_cyc2ns_scale(cpu_khz, cpu);
-	use_tsc_delay();
 
 	if (tsc_disabled > 0)
 		return;