gpio: mlxbf: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

drivers/gpio/gpio-mlxbf.c

@@ -11,7 +11,6 @@
 #include <linux/pm.h>
 #include <linux/resource.h>
 #include <linux/types.h>
-#include <linux/version.h>
 
 /* Number of pins on BlueField */
 #define MLXBF_GPIO_NR 54