Simplify TorrentContentModel code

src/torrentcontentmodel.cpp

@@ -124,12 +124,6 @@ bool TorrentContentModel::setData(const QModelIndex& index, const QVariant& valu
     case TorrentContentModelItem::COL_NAME:
       item->setName(value.toString());
       break;
-    case TorrentContentModelItem::COL_SIZE:
-      item->setSize(value.toULongLong());
-      break;
-    case TorrentContentModelItem::COL_PROGRESS:
-      item->setProgress(value.toDouble());
-      break;
     case TorrentContentModelItem::COL_PRIO:
       item->setPriority(value.toInt());
       break;

src/torrentcontentmodelfolder.cpp

@@ -170,5 +170,9 @@ void TorrentContentModelFolder::updateSize()
     if (child->priority() != prio::IGNORED)
       size += child->size();
   }
-  setSize(size);
+
+  if (size != m_size) {
+    m_size = size;
+    m_parentItem->updateSize();
+  }
 }

src/torrentcontentmodelitem.cpp

@@ -63,16 +63,6 @@ qulonglong TorrentContentModelItem::size() const
   return m_size;
 }
 
-void TorrentContentModelItem::setSize(qulonglong size)
-{
-  Q_ASSERT(!isRootItem());
-  if (m_size == size)
-    return;
-
-  m_size = size;
-  m_parentItem->updateSize();
-}
-
 void TorrentContentModelItem::setProgress(qulonglong done)
 {
   Q_ASSERT(!isRootItem());

src/torrentcontentmodelitem.h

@@ -57,7 +57,6 @@ public:
   void setName(const QString& name);
 
   qulonglong size() const;
-  void setSize(qulonglong size);
   qulonglong totalDone() const;
 
   void setProgress(qulonglong done);