Revert "Add missing Q_OBJECT macros in header files"

This reverts commit 337003a3b0.
Seams to break Windows builds.

include/AutomationTrack.h

@@ -32,7 +32,6 @@
 
 class AutomationTrack : public track
 {
-	Q_OBJECT
 public:
 	AutomationTrack( TrackContainer* tc, bool _hidden = false );
 	virtual ~AutomationTrack();

include/InstrumentMidiIOView.h

@@ -38,7 +38,6 @@ class QToolButton;
 
 class InstrumentMidiIOView : public QWidget, public ModelView
 {
-	Q_OBJECT
 public:
 	InstrumentMidiIOView( QWidget* parent );
 	virtual ~InstrumentMidiIOView();

include/MeterDialog.h

@@ -35,7 +35,6 @@ class LcdSpinBox;
 
 class MeterDialog : public QWidget, public ModelView
 {
-	Q_OBJECT
 public:
 	MeterDialog( QWidget * _parent, bool _simple = false );
 	virtual ~MeterDialog();