gpio: acpi: remove acpi_get_and_request_gpiod()

With no more users, we can remove acpi_get_and_request_gpiod().

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>