remove internal prototype for unused function printvis

This reapplies commit ea510836eb7224517f843c1f1189cbc5a9f34733 which was backed
out due to a CI failure.

diff --git a/lib/neatogen/neatosplines.c b/lib/neatogen/neatosplines.c
index b8cd8d69971571b719dd5a6630694de56fbb55dd..cf6716d0cc9411addc7ed8ecc28b7a982f363503 100644 (file)
--- a/lib/neatogen/neatosplines.c
+++ b/lib/neatogen/neatosplines.c
@@ -27,7 +27,6 @@ extern double drand48(void);
 #include <ortho.h>
 #endif
 
-extern void printvis(vconfig_t * cp);
 extern int in_poly(Ppoly_t argpoly, Ppoint_t q);