[LyX/master] Remove obsolete comment

[Jean-Marc Lasgouttes]

commit 4a2474c2469e43e4639a97fdfc0138b2fd8e1b24
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Thu Jan 4 18:44:33 2024 +0100

    Remove obsolete comment
---
 src/graphics/GraphicsImage.h |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/src/graphics/GraphicsImage.h b/src/graphics/GraphicsImage.h
index 6722b87..efa8e34 100644
--- a/src/graphics/GraphicsImage.h
+++ b/src/graphics/GraphicsImage.h
@@ -13,10 +13,6 @@
  * Allows the user to retrieve the pixmap, once loaded and to issue commands
  * to modify it.
  *
- * The boost::functions newImage and loadableFormats are connected to the
- * appropriate derived classes elsewhere, allowing the graphics cache to
- * access them without knowing anything about their instantiation.
- *
  * The loading process can be asynchronous, but cropping, rotating and
  * scaling block execution.
  */