qapi: Remove dead visitor code

Commit cbc95538 removed unused start_handle() and end_handle(),
but forgot to remove their declarations.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1447836791-369-19-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

include/qapi/visitor.h

diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h
index cfc19a6..a2ad66c 100644
--- a/include/qapi/visitor.h
+++ b/include/qapi/visitor.h
@@ -27,9 +27,6 @@
     struct GenericList *next;
 } GenericList;
 
-void visit_start_handle(Visitor *v, void **obj, const char *kind,
-                        const char *name, Error **errp);
-void visit_end_handle(Visitor *v, Error **errp);
 void visit_start_struct(Visitor *v, void **obj, const char *kind,
                         const char *name, size_t size, Error **errp);
 void visit_end_struct(Visitor *v, Error **errp);