Update ESP32Bluetooth.cpp (#1625)

* Update ESP32Bluetooth.cpp

* Update ESP32Bluetooth.h

src/platform/esp32/ESP32Bluetooth.h

@@ -2,32 +2,20 @@
 
 #pragma once
 
-extern uint16_t fromNumValHandle;
-
-class BluetoothPhoneAPI : public PhoneAPI
-{
-protected: 
-    /**
-     * Subclasses can use this as a hook to provide custom notifications for their transport (i.e. bluetooth notifies)
-     */
-    virtual void onNowHasData(uint32_t fromRadioNum) override;
-
-    /// Check the current underlying physical link to see if the client is currently connected
-    virtual bool checkIsConnected() override;
-};
-
-extern PhoneAPI *bluetoothPhoneAPI;
-
 class ESP32Bluetooth
 {
   public:
     void setup();
     void shutdown();
     void clearBonds();
+
+  private:
+    void setupService();
+    void startAdvertising();
 };
 
 void setBluetoothEnable(bool on);
 void clearNVS();
 void disablePin();
 
-#endif
+#endif