nop: remove unused unistd.h #include

Gitlab: #2204

diff --git a/cmd/tools/nop.c b/cmd/tools/nop.c
index 881e9527ebcb12572a46110ca9341009233d73b0..047bac5d4b9fee14488668c529b5f667f9a8276a 100644 (file)
--- a/cmd/tools/nop.c
+++ b/cmd/tools/nop.c
@@ -8,17 +8,12 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
-#include "config.h"
-
 #include <cgraph/cgraph.h>
 #include <cgraph/exit.h>
 #include <ingraphs/ingraphs.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 
 #include <getopt.h>