[balsa] identity: Revert previous commit

[Peter Bloomfield <peterb src gnome org>]

commit e75626b38ad72efe25d4c313fe8ccb245a439783
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Wed May 20 15:35:18 2020 -0400

    identity: Revert previous commit
    
    There was no leak.

 libbalsa/identity.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/libbalsa/identity.c b/libbalsa/identity.c
index 91a33ef0a..448296e33 100644
--- a/libbalsa/identity.c
+++ b/libbalsa/identity.c
@@ -420,7 +420,6 @@ sd_response_cb(GtkWidget * dialog, gint response, SelectDialogInfo * sdi)
 
             gtk_tree_model_get(model, &iter, IDENT_COLUMN, &identity, -1);
             sdi->update(sdi->data, identity);
-            g_object_unref(identity);
         }
     }