[brasero] Remove duplicate of function declaration

[Philippe Rouquier <philippr src gnome org>]

commit a1a52d00f0a9a1282a06177f7ca0e7174672aba3
Author: Philippe Rouquier <bonfire-app wanadoo fr>
Date:   Fri Oct 9 19:28:32 2009 +0200

    Remove duplicate of function declaration

 libbrasero-burn/brasero-session-helper.h |    4 ----
 libbrasero-burn/brasero-session.c        |    2 ++
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/libbrasero-burn/brasero-session-helper.h b/libbrasero-burn/brasero-session-helper.h
index 8e96c10..67c5bb4 100644
--- a/libbrasero-burn/brasero-session-helper.h
+++ b/libbrasero-burn/brasero-session-helper.h
@@ -51,10 +51,6 @@ brasero_caps_session_get_file_flags (BraseroTrackType *input,
                                      BraseroBurnFlag *supported,
                                      BraseroBurnFlag *compulsory);
 
-BraseroBurnResult
-brasero_burn_session_set_image_output_format (BraseroBurnSession *self,
-					    BraseroImageFormat format);
-
 goffset
 brasero_burn_session_get_available_medium_space (BraseroBurnSession *session);
 
diff --git a/libbrasero-burn/brasero-session.c b/libbrasero-burn/brasero-session.c
index cce4f86..7c366c1 100644
--- a/libbrasero-burn/brasero-session.c
+++ b/libbrasero-burn/brasero-session.c
@@ -1045,6 +1045,8 @@ brasero_burn_session_set_output_image_real (BraseroBurnSession *self,
  * NOTE: after a call to this function the #BraseroDrive for
  * @session will be the fake #BraseroDrive.
  *
+ * Since 2.29.0
+ *
  * Return value: a #BraseroBurnResult. BRASERO_BURN_OK if it was successfully set;
  * BRASERO_BURN_ERR otherwise.
  **/