[glom] Remove unused typedef.

[Murray Cumming <murrayc src gnome org>]

commit b82938a7efe25cf15e33ff76b8ab6fa450b4d54c
Author: Murray Cumming <murrayc murrayc com>
Date:   Sat Sep 11 13:49:41 2010 +0200

    Remove unused typedef.

 glom/mode_data/db_adddel/db_adddel.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/glom/mode_data/db_adddel/db_adddel.h b/glom/mode_data/db_adddel/db_adddel.h
index 5422d82..1e7677d 100644
--- a/glom/mode_data/db_adddel/db_adddel.h
+++ b/glom/mode_data/db_adddel/db_adddel.h
@@ -61,7 +61,6 @@ public:
 };
 
 class DbTreeViewColumnGlom;
-class CellRendererDbList;
 
 /** For adding/deleting/selecting record rows.
  */