Change typedef to using in HistogramDockerWidget

plugins/dockers/histogram/histogramdockerwidget.h

@@ -32,7 +32,7 @@ class KisCanvas2;
 class KoColorSpace;
 
 
-typedef std::vector<std::vector<quint32> > HistVector; //Don't use QVector here - it's too slow for this purpose
+using HistVector = std::vector<std::vector<quint32> >; //Don't use QVector here - it's too slow for this purpose
 
 struct HistogramData
 {
@@ -42,7 +42,6 @@ struct HistogramData
     HistVector bins;
     const KoColorSpace* colorSpace;
 };
-typedef QSharedPointer<HistogramData> HistogramDataSP;
 Q_DECLARE_METATYPE(HistogramData)