gpiolib: acpi: Remove never used devm_acpi_dev_remove_driver_gpios()

Remove never used devm_acpi_dev_remove_driver_gpios().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/gpio/gpiolib-acpi.c

@@ -604,12 +604,6 @@ int devm_acpi_dev_add_driver_gpios(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_acpi_dev_add_driver_gpios);
 
-void devm_acpi_dev_remove_driver_gpios(struct device *dev)
-{
-	WARN_ON(devres_release(dev, devm_acpi_dev_release_driver_gpios, NULL, NULL));
-}
-EXPORT_SYMBOL_GPL(devm_acpi_dev_remove_driver_gpios);
-
 static bool acpi_get_driver_gpio_data(struct acpi_device *adev,
 				      const char *name, int index,
 				      struct fwnode_reference_args *args,

include/linux/gpio/consumer.h

@@ -690,7 +690,6 @@ void acpi_dev_remove_driver_gpios(struct acpi_device *adev);
 
 int devm_acpi_dev_add_driver_gpios(struct device *dev,
 				   const struct acpi_gpio_mapping *gpios);
-void devm_acpi_dev_remove_driver_gpios(struct device *dev);
 
 struct gpio_desc *acpi_get_and_request_gpiod(char *path, int pin, char *label);
 
@@ -708,7 +707,6 @@ static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
 {
 	return -ENXIO;
 }
-static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
 
 #endif /* CONFIG_GPIOLIB && CONFIG_ACPI */