merged all drawing functions into a single shader processing function

app/project/item/footage/videostream.cpp

@@ -159,12 +159,6 @@ void VideoStream::set_colorspace(const QString &color)
   emit ParametersChanged();
 }
 
-QString VideoStream::get_colorspace_match_string() const
-{
-  return QStringLiteral("%1:%2").arg(footage()->project()->color_manager()->GetConfigFilename(),
-                                     colorspace());
-}
-
 void VideoStream::ColorConfigChanged()
 {
   ColorManager* color_manager = footage()->project()->color_manager();

app/project/item/footage/videostream.h

@@ -90,8 +90,6 @@ public:
   const QString& colorspace(bool default_if_empty = true) const;
   void set_colorspace(const QString& color);
 
-  QString get_colorspace_match_string() const;
-
   VideoParams::Interlacing interlacing() const
   {
     return interlacing_;