[gnome-build-meta/abderrahim/gtkmm-world] core-deps/graphviz.bst: delete as nothing uses it

[Abderrahim Kitouni <akitouni src gnome org>]

commit fdcf305a80ee07e64c392b6cf1675c7fe0ed591f
Author: Abderrahim Kitouni <akitouni gnome org>
Date:   Sat Feb 8 21:03:59 2020 +0100

    core-deps/graphviz.bst: delete as nothing uses it

 elements/core-deps.bst          |  1 -
 elements/core-deps/graphviz.bst | 15 ---------------
 2 files changed, 16 deletions(-)
---
diff --git a/elements/core-deps.bst b/elements/core-deps.bst
index f08fb808..7fc94766 100644
--- a/elements/core-deps.bst
+++ b/elements/core-deps.bst
@@ -36,7 +36,6 @@ depends:
 - core-deps/gnome-online-miners.bst
 - core-deps/gnome-video-effects.bst
 - core-deps/gom.bst
-- core-deps/graphviz.bst
 - core-deps/grilo-plugins.bst
 - core-deps/grilo.bst
 - core-deps/gsound.bst