x86: Remove unused function cpu_has_ht_siblings()

It is used nowhere.
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: http://lkml.kernel.org/r/1447761943-770-1-git-send-email-jgross@suse.comSigned-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/include/asm/smp.h

@@ -21,15 +21,6 @@
 extern int smp_num_siblings;
 extern unsigned int num_processors;
 
-static inline bool cpu_has_ht_siblings(void)
-{
-	bool has_siblings = false;
-#ifdef CONFIG_SMP
-	has_siblings = cpu_has_ht && smp_num_siblings > 1;
-#endif
-	return has_siblings;
-}
-
 DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_sibling_map);
 DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map);
 /* cpus sharing the last level cache: */