disable bluetooth for Arduino 3

src/settings.h

@@ -49,7 +49,7 @@
 	//#define PLAY_LAST_RFID_AFTER_REBOOT   // When restarting ESPuino, the last RFID that was active before, is recalled and played
 	//#define USE_LAST_VOLUME_AFTER_REBOOT  // Remembers the volume used at last shutdown after reboot
 	#define USEROTARY_ENABLE                // If rotary-encoder is used (don't forget to review WAKEUP_BUTTON if you disable this feature!)
-	#define BLUETOOTH_ENABLE                // If enabled and bluetooth-mode is active, you can stream to your ESPuino or to a headset via bluetooth (a2dp-sink & a2dp-source). Note: This feature consumes a lot of resources and the available flash/ram might not be sufficient.
+	//#define BLUETOOTH_ENABLE                // If enabled and bluetooth-mode is active, you can stream to your ESPuino or to a headset via bluetooth (a2dp-sink & a2dp-source). Note: This feature consumes a lot of resources and the available flash/ram might not be sufficient.
 	//#define IR_CONTROL_ENABLE             // Enables remote control (https://forum.espuino.de/t/neues-feature-fernsteuerung-per-infrarot-fernbedienung/265)
 	//#define PAUSE_WHEN_RFID_REMOVED       // Playback starts when card is applied and pauses automatically, when card is removed (https://forum.espuino.de/t/neues-feature-pausieren-wenn-rfid-karte-entfernt-wurde/541)
 	//#define PAUSE_ON_MIN_VOLUME           // When playback is active and volume is changed to zero, playback is paused automatically. Playback is continued if volume reaches 1. (https://forum.espuino.de/t/neues-feature-pausieren-wenn-rfid-karte-entfernt-wurde/541)