remove unused method

src/lib/marble/geodata/data/GeoDataFeature.cpp

@@ -442,11 +442,6 @@ void GeoDataFeature::setPopularity( qint64 popularity )
     d->m_popularity = popularity;
 }
 
-void GeoDataFeature::resetDefaultStyles()
-{
-    GeoDataFeaturePrivate::s_styleBuilder.reset();
-}
-
 void GeoDataFeature::detach()
 {
     if(d->ref.load() == 1) {

src/lib/marble/geodata/data/GeoDataFeature.h

@@ -628,12 +628,6 @@ class GEODATA_EXPORT GeoDataFeature : public GeoDataObject
      */
     void setStyleMap( const GeoDataStyleMap* map );
 
-
-    // ----------------------------------------------------------------
-    // The following functions are use for painting, and mostly for placemarks.
-
-    static void resetDefaultStyles();
-
     /// Serialize the contents of the feature to @p stream.
     virtual void pack( QDataStream& stream ) const;
     /// Unserialize the contents of the feature from @p stream.