Notify: remove ToshibaLED support from APM

This saves about 1k of precious flash

libraries/AP_Notify/AP_Notify.cpp

@@ -25,9 +25,9 @@ void AP_Notify::init(bool enable_external_leds)
     AP_Notify::flags.external_leds = enable_external_leds;
 
     boardled.init();
-    toshibaled.init();
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_PX4
+    toshibaled.init();
     tonealarm.init();
 #endif
 #if CONFIG_HAL_BOARD == HAL_BOARD_APM1 || CONFIG_HAL_BOARD == HAL_BOARD_APM2
@@ -35,6 +35,7 @@ void AP_Notify::init(bool enable_external_leds)
     buzzer.init();
 #endif
 #if CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
+    toshibaled.init();
     externalled.init();
     buzzer.init();
 #endif
@@ -44,9 +45,9 @@ void AP_Notify::init(bool enable_external_leds)
 void AP_Notify::update(void)
 {
     boardled.update();
-    toshibaled.update();
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_PX4
+    toshibaled.update();
     tonealarm.update();
 #endif
 #if CONFIG_HAL_BOARD == HAL_BOARD_APM1 || CONFIG_HAL_BOARD == HAL_BOARD_APM2
@@ -54,6 +55,7 @@ void AP_Notify::update(void)
     buzzer.update();
 #endif
 #if CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
+    toshibaled.update();
     externalled.update();
     buzzer.update();
 #endif

libraries/AP_Notify/AP_Notify.h

@@ -68,7 +68,6 @@ private:
     ToshibaLED_PX4 toshibaled;
     ToneAlarm_PX4 tonealarm;
 #elif CONFIG_HAL_BOARD == HAL_BOARD_APM1 || CONFIG_HAL_BOARD == HAL_BOARD_APM2 
-    ToshibaLED_I2C toshibaled;
     ExternalLED externalled;
     Buzzer buzzer;
 #elif CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN