sparse: remove useless include of cgraph/sprint.h

The last use of anything from sprint.h was removed in
https://gitlab.com/graphviz/graphviz/-/commit/c2d3526427a7259aa656ab72c83b43232ebfd806.

diff --git a/lib/sparse/DotIO.c b/lib/sparse/DotIO.c
index fd19bb2705d3e9a696c4aef825cc4e9d9c37d348..94fe1d0d0979ff0603ee9f687207d3563f8062a5 100644 (file)
--- a/lib/sparse/DotIO.c
+++ b/lib/sparse/DotIO.c
@@ -10,7 +10,6 @@
 
 #define STANDALONE
 #include <cgraph/itos.h>
-#include <cgraph/sprint.h>
 #include <sparse/general.h>
 #include <sparse/DotIO.h>
 #include <sparse/clustering.h>