gvc: remove now obsolete exporting of gvcint.h symbols from gvc.def

Towards https://gitlab.com/graphviz/graphviz/-/issues/2058.

diff --git a/lib/gvc/gvc.def b/lib/gvc/gvc.def
index a46aeefe5cf6cc3fdc1c2229246325f04d59fe98..b3e3f9a83e59204b95d7c5e9b7e5095d56add1a5 100644 (file)
--- a/lib/gvc/gvc.def
+++ b/lib/gvc/gvc.def
@@ -39,8 +39,6 @@ graph_init
 gv_cleanup_edge
 gv_cleanup_node
 gv_free_splines
-gvCloneGVC
-gvFreeCloneGVC
 initMapData
 isPolygon
 line_intersect