Revert Correct Priorty of fade button

reverted changes made in  #1527
copied from Github diff

Fixes #1932

include/InstrumentTrack.h

@@ -206,13 +206,13 @@ public:
 		return &m_effectChannelModel;
 	}
 
-	void setIndicator( FadeButton *fb );
 
 signals:
 	void instrumentChanged();
 	void midiNoteOn( const Note& );
 	void midiNoteOff( const Note& );
 	void nameChanged();
+	void newNote();
 
 
 protected:
@@ -255,8 +255,6 @@ private:
 	IntModel m_effectChannelModel;
 	BoolModel m_useMasterPitchModel;
 
-	FadeButton *m_fb;
-
 
 	Instrument * m_instrument;
 	InstrumentSoundShaping m_soundShaping;