[recipes] Remove an unused function

[Matthias Clasen <matthiasc src gnome org>]

commit 56fd00e35fa8f2aa4928126a7c6d00ee4a280475
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 12 23:06:22 2017 -0400

    Remove an unused function
    
    I didn't mean to add this.

 src/gr-image-page.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/src/gr-image-page.c b/src/gr-image-page.c
index c70716b..6909fb8 100644
--- a/src/gr-image-page.c
+++ b/src/gr-image-page.c
@@ -344,10 +344,3 @@ gr_image_page_show_image (GrImagePage *page,
                 set_current_image (page);
         }
 }
-
-gboolean
-gr_image_page_handle_event (GrImagePage *page,
-                            GdkEvent    *event)
-{
-        return FALSE;
-}