gpio: altera-a10sr: Drop unnecessary gpiochip_remove

It's not necessary to unregister gpio_chip which registered
with devm_gpiochip_add_data().
Also get rid of useless altr_a10sr_gpio_remove().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 file changed