Commit 
22e7551eb6fd ("ACPI / processor: Remove acpi_processor_get_limit_info()"),
left it behind, so drop it.
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Reviewed-by: Punit Agrawal <punit.agrawal@bytedance.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
 
 /* in processor_thermal.c */
-int acpi_processor_get_limit_info(struct acpi_processor *pr);
 int acpi_processor_thermal_init(struct acpi_processor *pr,
                                struct acpi_device *device);
 void acpi_processor_thermal_exit(struct acpi_processor *pr,