Remove flags() overrides matching the default

The baseclass implementation ThumbCreator::flags() already returns
`None`, no reason to override it.

thumbnail/appimagecreator.cpp

@@ -59,8 +59,3 @@ bool AppImageCreator::create(const QString &path, int width, int height, QImage
 
     return image.loadFromData(reinterpret_cast<uchar*>(buf), size);
 }
-
-ThumbCreator::Flags AppImageCreator::flags() const
-{
-    return None;
-}

thumbnail/appimagecreator.h

@@ -29,5 +29,4 @@ public:
     ~AppImageCreator() override;
 
     bool create(const QString &path, int width, int height, QImage &image) override;
-    Flags flags() const override;
 };

thumbnail/comiccreator.cpp

@@ -310,8 +310,3 @@ int ComicCreator::startProcess(const QString& processPath, const QStringList& ar
 
     return ret;
 }
-
-ThumbCreator::Flags ComicCreator::flags() const
-{
-    return None;
-}

thumbnail/comiccreator.h

@@ -52,7 +52,6 @@ class ComicCreator : public QObject, public ThumbCreator
     public:
         ComicCreator();
         bool create(const QString& path, int width, int height, QImage& img) override;
-        Flags flags() const override;
 
     private:
         enum Type {

thumbnail/djvucreator.cpp

@@ -123,11 +123,3 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
   int l = img.loadFromData( data );
   return ok && l;
 }
-
-
-ThumbCreator::Flags DjVuCreator::flags() const
-{
-  return static_cast<Flags>(None);
-}
-
-

thumbnail/djvucreator.h

@@ -28,8 +28,6 @@ class DjVuCreator : public ThumbCreator
 public:
     DjVuCreator() {}
     bool create(const QString &path, int, int, QImage &img) override;
-	Flags flags() const override;
-
 };
 
 #endif

thumbnail/exrcreator.cpp

@@ -77,8 +77,3 @@ bool EXRCreator::create(const QString &path, int, int, QImage &img)
 	}
     }
 }
-
-ThumbCreator::Flags EXRCreator::flags() const
-{
-    return None;
-}

thumbnail/exrcreator.h

@@ -27,7 +27,6 @@ class EXRCreator : public ThumbCreator
 public:
     EXRCreator() {};
     bool create(const QString &path, int, int, QImage &img) override;
-    Flags flags() const override;
 };
 
 #endif

thumbnail/imagecreator.cpp

@@ -42,8 +42,3 @@ bool ImageCreator::create(const QString &path, int, int, QImage &img)
         img = img.convertToFormat(img.hasAlphaChannel() ? QImage::Format_ARGB32 : QImage::Format_RGB32);
     return true;
 }
-
-ThumbCreator::Flags ImageCreator::flags() const
-{
-    return None;
-}

thumbnail/imagecreator.h

@@ -29,7 +29,6 @@ class ImageCreator : public ThumbCreator
 public:
     ImageCreator() {}
     bool create(const QString &path, int, int, QImage &img) override;
-    Flags flags() const override;
 };
 
 #endif

thumbnail/jpegcreator.cpp

@@ -56,11 +56,6 @@ bool JpegCreator::create(const QString &path, int width, int height, QImage &ima
     return imageReader.read(&image);
 }
 
-ThumbCreator::Flags JpegCreator::flags() const
-{
-    return None;
-}
-
 QWidget *JpegCreator::createConfigurationWidget()
 {
     QCheckBox *rotateCheckBox = new QCheckBox(i18nc("@option:check", "Rotate the image automatically"));

thumbnail/jpegcreator.h

@@ -29,7 +29,6 @@ class JpegCreator : public ThumbCreator
 public:
     JpegCreator();
     bool create(const QString &path, int, int, QImage &img) override;
-    Flags flags() const override;
     QWidget *createConfigurationWidget() override;
     void writeConfiguration(const QWidget *configurationWidget) override;
 };

thumbnail/kritacreator.cpp

@@ -101,8 +101,3 @@ bool KritaCreator::create(const QString &path, int width, int height, QImage &im
 
     return false;
 }
-
-ThumbCreator::Flags KritaCreator::flags() const
-{
-    return None;
-}

thumbnail/kritacreator.h

@@ -35,7 +35,6 @@ public:
     ~KritaCreator() override;
 
     bool create(const QString &path, int width, int height, QImage &image) override;
-    Flags flags() const override;
 };
 
 #endif

thumbnail/svgcreator.cpp

@@ -52,8 +52,3 @@ bool SvgCreator::create(const QString &path, int w, int h, QImage &img)
     img = i;
     return true;
 }
-
-ThumbCreator::Flags SvgCreator::flags() const
-{
-    return None;
-}

thumbnail/svgcreator.h

@@ -27,7 +27,6 @@ class SvgCreator : public ThumbCreator
 public:
     SvgCreator() {}
     bool create(const QString &path, int w, int h, QImage &img) override;
-    Flags flags() const override;
 };
 
 #endif