Remove GuiUtils::iconLoader

It's unused

part/guiutils.cpp

@@ -10,7 +10,6 @@
 #include "guiutils.h"
 
 // qt/kde includes
-#include <KIconLoader>
 #include <KLocalizedString>
 #include <KMessageBox>
 #include <QApplication>
@@ -34,7 +33,6 @@ struct GuiUtilsHelper {
 
     QSvgRenderer *svgStamps();
 
-    QList<KIconLoader *> il;
     std::unique_ptr<QSvgRenderer> svgStampFile;
 };
 
@@ -191,21 +189,6 @@ QPixmap loadStamp(const QString &nameOrPath, int size, bool keepAspectRatio)
     return QIcon::fromTheme(name).pixmap(size);
 }
 
-void addIconLoader(KIconLoader *loader)
-{
-    s_data->il.append(loader);
-}
-
-void removeIconLoader(KIconLoader *loader)
-{
-    s_data->il.removeAll(loader);
-}
-
-KIconLoader *iconLoader()
-{
-    return s_data->il.isEmpty() ? KIconLoader::global() : s_data->il.back();
-}
-
 void saveEmbeddedFile(Okular::EmbeddedFile *ef, QWidget *parent)
 {
     const QString caption = i18n("Where do you want to save %1?", ef->name());

part/guiutils.h

@@ -19,7 +19,6 @@ class QPixmap;
 class QSize;
 class QWidget;
 class QFile;
-class KIconLoader;
 
 namespace Okular
 {
@@ -50,10 +49,6 @@ QString prettyToolTip(const Okular::Annotation *annotation);
  */
 QPixmap loadStamp(const QString &nameOrPath, int size, bool keepAspectRatio = true);
 
-void addIconLoader(KIconLoader *loader);
-void removeIconLoader(KIconLoader *loader);
-KIconLoader *iconLoader();
-
 void saveEmbeddedFile(Okular::EmbeddedFile *ef, QWidget *parent);
 void writeEmbeddedFile(Okular::EmbeddedFile *ef, QWidget *parent, QFile &targetFile);
 

part/part.cpp

@@ -339,8 +339,6 @@ Part::Part(QWidget *parentWidget, QObject *parent, const QVariantList &args)
     // create live connect extension (for integrating with browser scripting)
     new OkularLiveConnectExtension(this);
 
-    GuiUtils::addIconLoader(iconLoader());
-
     const QStringList iconDirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("okular/pics"), QStandardPaths::LocateDirectory);
     QIcon::setFallbackSearchPaths(QIcon::fallbackSearchPaths() << iconDirs);
 
@@ -961,7 +959,6 @@ Part::~Part()
 {
     QDBusConnection::sessionBus().unregisterObject(m_registerDbusName);
 
-    GuiUtils::removeIconLoader(iconLoader());
     m_document->removeObserver(this);
 
     if (m_document->isOpened())