BlueSCSI_platform_RP2040: partially revert LED change

Somehow this broke booting on the Mac Plus, so for now turn them
into no-ops so booting works again

lib/BlueSCSI_platform_RP2040/BlueSCSI_platform_gpio.h

@@ -54,8 +54,8 @@
 
 // Status LED pins
 //#define LED_PIN      25
-#define LED_ON()     cyw43_gpio_set(&cyw43_state, 0, true)  //sio_hw->gpio_set = 1 << LED_PIN
-#define LED_OFF()    cyw43_gpio_set(&cyw43_state, 0, false)  //sio_hw->gpio_clr = 1 << LED_PIN
+#define LED_ON()     (void)0 //cyw43_gpio_set(&cyw43_state, 0, true)  //sio_hw->gpio_set = 1 << LED_PIN
+#define LED_OFF()    (void)0 //cyw43_gpio_set(&cyw43_state, 0, false)  //sio_hw->gpio_clr = 1 << LED_PIN
 
 // SDIO and SPI block
 #define SD_SPI_SCK   10