[Icon Item] Remove unused variables

Differential Revision: https://phabricator.kde.org/D11077

src/declarativeimports/core/iconitem.h

@@ -202,14 +202,11 @@ private:
     QIcon m_icon;
     Plasma::Svg *m_svgIcon;
     QString m_svgIconName;
-    QPixmap m_pixmapIcon;
     QImage m_imageIcon;
     //this contains the raw variant it was passed
     QVariant m_source;
     Plasma::Svg::Status m_status;
 
-    QSizeF m_implicitSize;
-
     bool m_smooth;
     bool m_active;
     bool m_animated;