Remove RowType enum and associated role

src/calamares/progresstree/ProgressTreeItem.cpp

@@ -86,8 +86,6 @@ ProgressTreeRoot::ProgressTreeRoot()
 QVariant
 ProgressTreeRoot::data( int role ) const
 {
-    if ( role == ProgressTreeModel::ProgressTreeItemTypeRole )
-        return ProgressTreeModel::Invalid;
     if ( role == ProgressTreeModel::ProgressTreeItemRole )
         return this;
     return QVariant();

src/calamares/progresstree/ProgressTreeModel.h

@@ -28,18 +28,10 @@ class ProgressTreeModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
-    enum RowType
-    {
-        Invalid = -1,
-        Category = 0,
-        ViewStep = 1
-    };
-
     enum Role
     {
         ProgressTreeItemRole        = Qt::UserRole + 10,
-        ProgressTreeItemTypeRole    = Qt::UserRole + 11,
-        ProgressTreeItemCurrentRole = Qt::UserRole + 12
+        ProgressTreeItemCurrentRole = Qt::UserRole + 11
     };
 
     explicit ProgressTreeModel( QObject* parent = nullptr );

src/calamares/progresstree/TextTreeItem.cpp

@@ -29,8 +29,6 @@ TextTreeItem::TextTreeItem( const QString& text, ProgressTreeItem* parent )
 QVariant
 TextTreeItem::data( int role ) const
 {
-    if ( role == ProgressTreeModel::ProgressTreeItemTypeRole )
-        return ProgressTreeModel::Category;
     if ( role == ProgressTreeModel::ProgressTreeItemRole )
         return this;
     if ( role == Qt::DisplayRole )

src/calamares/progresstree/ViewStepItem.cpp

@@ -40,8 +40,6 @@ ViewStepItem::appendChild( ProgressTreeItem* item )
 QVariant
 ViewStepItem::data( int role ) const
 {
-    if ( role == ProgressTreeModel::ProgressTreeItemTypeRole )
-        return ProgressTreeModel::ViewStep;
     if ( role == ProgressTreeModel::ProgressTreeItemRole )
         return this;
     if ( role == Qt::DisplayRole )