wifi: ti: wlcore: sdio: Drop unused include

The file is including the legacy GPIO header <linux/gpio.h> but
is not using any symbols from it, drop the header.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240131-descriptors-wireless-v1-2-e1c7c5d68746@linaro.org

drivers/net/wireless/ti/wlcore/sdio.c

@@ -16,7 +16,6 @@
 #include <linux/mmc/sdio_ids.h>
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
-#include <linux/gpio.h>
 #include <linux/pm_runtime.h>
 #include <linux/printk.h>
 #include <linux/of.h>