Remove unused signals and slots

app/widget/slider/rationalslider.cpp

@@ -30,7 +30,6 @@ RationalSlider::RationalSlider(QWidget *parent) :
   lock_display_type_(false)
 {
   connect(this, SIGNAL(ValueChanged(QVariant)), this, SLOT(ConvertValue(QVariant)));
-  connect(this, &SliderBase::changeRationalDisplayType, this, &RationalSlider::changeDisplayType);
   connect(Core::instance(), &Core::TimecodeDisplayChanged, this, &RationalSlider::ChangeTimecodeDisplayType);
   connect(SliderBase::label(), &SliderLabel::customContextMenuRequested, this, &RationalSlider::changeDisplayType);
 

app/widget/slider/sliderbase.cpp

@@ -55,7 +55,6 @@ SliderBase::SliderBase(Mode mode, QWidget *parent) :
   connect(label_, &SliderLabel::LabelPressed, this, &SliderBase::LabelPressed);
   connect(label_, &SliderLabel::focused, this, &SliderBase::ShowEditor);
   connect(label_, &SliderLabel::RequestReset, this, &SliderBase::ResetValue);
-  connect(label_, &SliderLabel::ChangeSliderType, this, &SliderBase::ChangeSliderType);
   connect(editor_, &FocusableLineEdit::Confirmed, this, &SliderBase::LineEditConfirmed);
   connect(editor_, &FocusableLineEdit::Cancelled, this, &SliderBase::LineEditCancelled);
 
@@ -454,11 +453,4 @@ void SliderBase::RepositionLadder()
   }
 }
 
-void SliderBase::ChangeSliderType()
-{
-  if (mode_ == kRational) {
-    emit changeRationalDisplayType();
-  }
-}
-
 }

app/widget/slider/sliderbase.h

@@ -72,8 +72,6 @@ public:
 signals:
   void ValueChanged(QVariant v);
 
-  void changeRationalDisplayType();
-
 protected:
   const QVariant& Value() const;
 
@@ -154,8 +152,6 @@ private slots:
   void ResetValue();
 
   void RepositionLadder();
-
-  void ChangeSliderType();
 };
 
 }