Remove unused collection playlist container type

src/collection/collectionitem.h

@@ -33,7 +33,6 @@ class CollectionItem : public SimpleTreeItem<CollectionItem> {
     Type_Divider,
     Type_Container,
     Type_Song,
-    Type_PlaylistContainer,
     Type_LoadingIndicator,
   };
 

src/collection/collectionmodel.cpp

@@ -97,8 +97,6 @@ CollectionModel::CollectionModel(CollectionBackend *backend, Application *app, Q
       total_album_count_(0),
       artist_icon_(IconLoader::Load("folder-sound")),
       album_icon_(IconLoader::Load("cdcase")),
-      playlists_dir_icon_(IconLoader::Load("folder-sound")),
-      playlist_icon_(IconLoader::Load("albums")),
       init_task_id_(-1),
       use_pretty_covers_(false),
       show_dividers_(true),
@@ -695,8 +693,6 @@ QVariant CollectionModel::data(const CollectionItem *item, const int role) const
 
     case Qt::DecorationRole:
       switch (item->type) {
-        case CollectionItem::Type_PlaylistContainer:
-          return playlists_dir_icon_;
         case CollectionItem::Type_Container:
           switch (container_type) {
             case GroupBy_Album:

src/collection/collectionmodel.h

@@ -280,8 +280,6 @@ class CollectionModel : public SimpleTreeModel<CollectionItem> {
   QIcon album_icon_;
   // Used as a generic icon to show when no cover art is found, fixed to the same size as the artwork (32x32)
   QPixmap no_cover_icon_;
-  QIcon playlists_dir_icon_;
-  QIcon playlist_icon_;
 
   static QNetworkDiskCache *sIconCache;
 

src/context/contextalbumsmodel.cpp

@@ -62,8 +62,7 @@ ContextAlbumsModel::ContextAlbumsModel(CollectionBackend *backend, Application *
       SimpleTreeModel<CollectionItem>(new CollectionItem(this), parent),
       backend_(backend),
       app_(app),
-      album_icon_(IconLoader::Load("cdcase")),
+      album_icon_(IconLoader::Load("cdcase")) {
-      playlists_dir_icon_(IconLoader::Load("folder-sound")) {
 
   root_->lazy_loaded = true;
 
@@ -195,8 +194,6 @@ QVariant ContextAlbumsModel::data(const CollectionItem *item, int role) const {
 
     case Qt::DecorationRole:
       switch (item->type) {
-        case CollectionItem::Type_PlaylistContainer:
-          return playlists_dir_icon_;
         case CollectionItem::Type_Container:
           if (item->type == CollectionItem::Type_Container && item->container_level == 0) { return album_icon_; }
           break;

src/context/contextalbumsmodel.h

@@ -120,7 +120,6 @@ class ContextAlbumsModel : public SimpleTreeModel<CollectionItem> {
   QMap<int, CollectionItem*> song_nodes_;
   QIcon album_icon_;
   QPixmap no_cover_icon_;
-  QIcon playlists_dir_icon_;
   AlbumCoverLoaderOptions cover_loader_options_;
   typedef QPair<CollectionItem*, QString> ItemAndCacheKey;
   QMap<quint64, ItemAndCacheKey> pending_art_;