[template-glib] expr: remove improper gidoc

[Christian Hergert <chergert src gnome org>]

commit 8dc38bc481408c3fa3beffcef18d85444ba27dc1
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 4 14:49:02 2022 -0700

    expr: remove improper gidoc
    
    This was supposed to be on the parameter, which is already there.

 src/tmpl-expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/tmpl-expr.c b/src/tmpl-expr.c
index b18ef45..64f9054 100644
--- a/src/tmpl-expr.c
+++ b/src/tmpl-expr.c
@@ -167,7 +167,7 @@ tmpl_expr_destroy (TmplExpr *self)
  * Creates a new statement list for which the last item will be
  * used as the "return value" from execution.
  *
- * Returns: (transfer full) (element-type TmplExpr): a new #TmplExpr
+ * Returns: (transfer full): a new #TmplExpr
  *
  * Since: 3.36
  */