boards: esp32s3_touch_lcd_1_28: Make cst816s use interrupt by default

Since the interrupt line is connected, there is no reason to force
polling mode for this board.

Signed-off-by: Fabian Blatz <fabianblatz@gmail.com>

Author: faxe1008

boards/waveshare/esp32s3_touch_lcd_1_28/esp32s3_touch_lcd_1_28_esp32s3_procpu_defconfig

@@ -8,4 +8,3 @@ CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y
 CONFIG_CLOCK_CONTROL=y
 CONFIG_INPUT=y
-CONFIG_INPUT_CST816S_INTERRUPT=n