JobItem cleanup

GUI/Model/Device/DatafileItem.cpp

@@ -35,7 +35,6 @@ const QString InstrumentId("InstrumentId");
 const QString Name("Name");
 const QString NativeData("NativeData");           // obsolete since v22.0
 const QString NativeDataUnits("NativeDataUnits"); // obsolete since v22.0
-const QString PresentationType("PresentationType");
 
 } // namespace Tag
 
@@ -76,11 +75,6 @@ void DatafileItem::setDatafileItemName(const QString& name)
     updateFileName();
 }
 
-void DatafileItem::setPresentationType(const QString& type)
-{
-    m_presentation_type = type;
-}
-
 DataItem* DatafileItem::dataItem() const
 {
     return m_data_item.get();
@@ -194,11 +188,6 @@ void DatafileItem::writeTo(QXmlStreamWriter* w) const
     XML::writeAttribute(w, XML::Attrib::value, m_name);
     w->writeEndElement();
 
-    // presentation type
-    w->writeStartElement(Tag::PresentationType);
-    XML::writeAttribute(w, XML::Attrib::value, m_presentation_type);
-    w->writeEndElement();
-
     // data
     if (m_data_item) {
         w->writeStartElement(Tag::Data);
@@ -226,11 +215,6 @@ void DatafileItem::readFrom(QXmlStreamReader* r)
             XML::readAttribute(r, XML::Attrib::value, &m_name);
             XML::gotoEndElementOfTag(r, tag);
 
-            // presentation type
-        } else if (tag == Tag::PresentationType) {
-            XML::readAttribute(r, XML::Attrib::value, &m_presentation_type);
-            XML::gotoEndElementOfTag(r, tag);
-
             // data
         } else if (tag == Tag::Data) {
             QString type;