boards: degu_evk: remove A71CH RST_N control

There's no in-tree driver for the A71CH secure element, which is the
code that should be responsible to control the chip reset line.

Signed-off-by: Gerard Marull-Paretas <[email protected]>

Author: gmarull

boards/arm/degu_evk/board.c

@@ -14,11 +14,6 @@ static int board_degu_evk_init(const struct device *dev)
 	const struct device *gpio1 =
 		device_get_binding(DT_LABEL(DT_NODELABEL(gpio1)));
 
-	/*
-	 * We must enable GPIO1_2 to use Secure Element.
-	 */
-	gpio_pin_configure(gpio1, 2, GPIO_OUTPUT_HIGH);
-
 	/*
 	 * We must enable GPIO1_6 to read Vin voltage.
 	 */