ACPI / processor: Remove outdated comments

acpi_get_processor_id() can be find nowhere, and the acpi id
is synchronized to APIC id when acpi_get_cpuid() is called, so
the comments can be removed.
Signed-off-by: NHanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpi_processor.c

@@ -240,11 +240,6 @@ static int acpi_processor_get_info(struct acpi_device *device)
 			return -ENODEV;
 		}
 
-		/*
-		 * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
-		 *      >>> 'acpi_get_processor_id(acpi_id, &id)' in
-		 *      arch/xxx/acpi.c
-		 */
 		pr->acpi_id = object.processor.proc_id;
 	} else {
 		/*