Remove unused code

And some improvements

include/GrooveExperiments.h

@@ -50,8 +50,8 @@ public:
 	~GrooveExperimentsView();
 
 public slots:
+	void valueChanged();
 	void modelChanged();
-	void valueChanged(int);
 
 private:
 	GrooveExperiments * m_groove;

include/GrooveView.h

@@ -4,10 +4,8 @@
 #define GROOVEVIEW_H
 
 #include <QWidget>
-#include <QCloseEvent>
-
-#include <QComboBox>
 #include <QVBoxLayout>
+#include <QComboBox>
 
 #include "Groove.h"
 #include "SerializingObject.h"
@@ -25,13 +23,13 @@ signals:
 
 public slots:
 	void update();
-	void grooveChanged(int index);
+	void grooveChanged();
 
 private:
 	void setView(Groove * groove);
 
-	QComboBox * m_comboBox;
 	QVBoxLayout * m_layout;
+	QComboBox * m_comboBox;
 };
 
 #endif // GROOVEVIEW_H

include/HalfSwing.h

@@ -48,8 +48,8 @@ public:
 	~HalfSwingView();
 
 public slots:
+	void valueChanged();
 	void modelChanged();
-	void valueChanged(int);
 
 private:
 	HalfSwing * m_swing;

include/HydrogenSwing.h

@@ -50,8 +50,8 @@ public:
 	~HydrogenSwingView();
 
 public slots:
+	void valueChanged();
 	void modelChanged();
-	void valueChanged(int value);
 
 private:
 	HydrogenSwing * m_swing;

include/MidiSwing.h

@@ -32,10 +32,6 @@ public:
 
 	QWidget * instantiateView(QWidget * parent);
 
-signals:
-
-public slots:
-
 };
 
 #endif // MIDISWING_H