TargetSelector: None of the slots need to be a slot

Also addTarget is never called, so removing it.

Change-Id: I2329d1551e5d3c9ad9b5cb49b837d573aa4d0954
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/plugins/projectexplorer/targetselector.cpp

@@ -65,11 +65,6 @@ TargetSelector::TargetSelector(QWidget *parent) :
     setFont(f);
 }
 
-void TargetSelector::addTarget(const QString &name)
-{
-    insertTarget(m_targets.count(), name);
-}
-
 void TargetSelector::insertTarget(int index, const QString &name)
 {
     QTC_ASSERT(index >= 0 && index <= m_targets.count(), return);

src/plugins/projectexplorer/targetselector.h

@@ -68,8 +68,7 @@ public:
     bool isAddButtonEnabled() const;
     bool isRemoveButtonEnabled() const;
 
-public slots:
-    void addTarget(const QString &name);
+public:
     void insertTarget(int index, const QString &name);
     void removeTarget(int index);
     void setCurrentIndex(int index);