remove redundant QLineEdit and QLineEditPrivate destructors

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

src/gui/widgets/qlineedit.cpp

@@ -249,16 +249,6 @@ QLineEdit::QLineEdit(const QString& contents, QWidget* parent)
 }
 
 
-
-/*!
-    Destroys the line edit.
-*/
-
-QLineEdit::~QLineEdit()
-{
-}
-
-
 /*!
     \property QLineEdit::text
     \brief the line edit's text

src/gui/widgets/qlineedit.h

@@ -67,7 +67,6 @@ class Q_GUI_EXPORT QLineEdit : public QWidget
 public:
     explicit QLineEdit(QWidget* parent = nullptr);
     explicit QLineEdit(const QString &, QWidget* parent = nullptr);
-    ~QLineEdit();
 
     QString text() const;
 

src/gui/widgets/qlineedit_p.h

@@ -61,10 +61,6 @@ public:
     {
     }
 
-    ~QLineEditPrivate()
-    {
-    }
-
     QLineControl *control;
 
 #ifndef QT_NO_CONTEXTMENU