Remove currentPatternChanged() that has no effect (#7989)

include/PatternStore.h

@@ -98,7 +98,6 @@ public slots:
 	void play();
 	void stop();
 	void updateComboBox();
-	void currentPatternChanged();
 
 signals:
 	void trackUpdated();

src/core/PatternStore.cpp

@@ -38,12 +38,6 @@ PatternStore::PatternStore() :
 	TrackContainer(),
 	m_patternComboBoxModel(this)
 {
-	connect(&m_patternComboBoxModel, SIGNAL(dataChanged()),
-			this, SLOT(currentPatternChanged()));
-	// we *always* want to receive updates even in case pattern actually did
-	// not change upon setCurrentPattern()-call
-	connect(&m_patternComboBoxModel, SIGNAL(dataUnchanged()),
-			this, SLOT(currentPatternChanged()));
 	setType(Type::Pattern);
 }
 
@@ -213,22 +207,6 @@ void PatternStore::updateComboBox()
 
 
 
-void PatternStore::currentPatternChanged()
-{
-	// now update all track-labels (the current one has to become white, the others gray)
-	const TrackList& tl = Engine::getSong()->tracks();
-	for (Track * t : tl)
-	{
-		if (t->type() == Track::Type::Pattern)
-		{
-			t->dataChanged();
-		}
-	}
-}
-
-
-
-
 void PatternStore::createClipsForPattern(int pattern)
 {
 	const TrackList& tl = tracks();
@@ -254,4 +232,4 @@ AutomatedValueMap PatternStore::automatedValuesAt(TimePos time, int clipNum) con
 }
 
 
-} // namespace lmms
+} // namespace lmms