removed unused socket and empty function in delaycontrols

plugins/delay/delaycontrols.cpp

@@ -43,14 +43,6 @@ DelayControls::DelayControls(DelayEffect* effect):
 
 
 
-void DelayControls::changeControl()
-{
-    //engine::getSong()->setModified();
-}
-
-
-
-
 void DelayControls::loadSettings(const QDomElement &_this)
 {
     m_delayTimeModel.loadSettings(_this, "DelayTimeSamples" );

plugins/delay/delaycontrols.h

@@ -55,9 +55,6 @@ public:
         return new DelayControlsDialog( this );
     }
 
-private slots:
-    void changeControl();
-
 private:
     DelayEffect* m_effect;
     TempoSyncKnobModel m_delayTimeModel;