arm64/ipipe: drop useless symbol exports

arch/arm64/kernel/ipipe.c

@@ -626,11 +626,3 @@ EXPORT_SYMBOL_GPL(tasklist_lock);
 #ifndef CONFIG_SPARSE_IRQ
 EXPORT_SYMBOL_GPL(irq_desc);
 #endif
-
-#ifdef CONFIG_CPU_HAS_ASID
-EXPORT_SYMBOL_GPL(check_and_switch_context);
-#endif /* CONFIG_CPU_HAS_ASID */
-
-#if defined(CONFIG_SMP) && defined(CONFIG_IPIPE_LEGACY)
-EXPORT_SYMBOL_GPL(__cpu_logical_map);
-#endif /* CONFIG_IPIPE */