drivers remove device _debug_enabled

src/drivers/stm32/adc/adc.cpp

@@ -156,8 +156,6 @@ ADC::ADC(uint32_t channels) :
 	_to_system_power(nullptr),
 	_to_adc_report(nullptr)
 {
-	_debug_enabled = true;
-
 	/* always enable the temperature sensor */
 	channels |= 1 << 16;
 

src/drivers/stm32/tone_alarm/tone_alarm.cpp

@@ -296,7 +296,7 @@ class ToneAlarm : public device::CDev
 {
 public:
 	ToneAlarm();
-	~ToneAlarm();
+	~ToneAlarm() = default;
 
 	virtual int		init();
 
@@ -404,8 +404,6 @@ ToneAlarm::ToneAlarm() :
 	_next(nullptr),
 	_cbrk(CBRK_OFF)
 {
-	// enable debug() calls
-	//_debug_enabled = true;
 	_default_tunes[TONE_STARTUP_TUNE] = "MFT240L8 O4aO5dc O4aO5dc O4aO5dc L16dcdcdcdc";		// startup tune
 	_default_tunes[TONE_ERROR_TUNE] = "MBT200a8a8a8PaaaP";						// ERROR tone
 	_default_tunes[TONE_NOTIFY_POSITIVE_TUNE] = "MFT200e8a8a";					// Notify Positive tone
@@ -439,10 +437,6 @@ ToneAlarm::ToneAlarm() :
 	_tune_names[TONE_HOME_SET] = "home_set";
 }
 
-ToneAlarm::~ToneAlarm()
-{
-}
-
 int
 ToneAlarm::init()
 {