fdpgen: remove 'SHOW_GRID' guarded code

As far as I can tell, this code has never been compilable. It relies on `CellW`
and `CellH`, neither of which have ever been defined in Graphviz’ history.

diff --git a/lib/fdpgen/dbg.c b/lib/fdpgen/dbg.c
index 3ae15c5e9452a42717c2717cb19c50e0bb8dc145..d377e5ad48d15d550febae748a2485c4434f1b40 100644 (file)
--- a/lib/fdpgen/dbg.c
+++ b/lib/fdpgen/dbg.c
@@ -325,20 +325,6 @@ static void pswrite(Agraph_t * g, FILE * fp, int expMode)
     }
 
     fprintf(fp, "0.0 setlinewidth\n");
-#ifdef SHOW_GRID
-    if (UseGrid) {
-       int i;
-       fprintf(fp, "%f %f 5 fillCircle\n", 0.0, 0.0);
-       for (i = 0; i < maxx; i += CellW) {
-           fprintf(fp, "%f 0.0 moveto %f %f lineto stroke\n",
-                   (float) i, (float) i, maxy);
-       }
-       for (i = 0; i < maxy; i += CellH) {
-           fprintf(fp, "0.0 %f moveto %f %f lineto stroke\n",
-                   (float) i, maxx, (float) i);
-       }
-    }
-#endif
     for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
        if (IS_PORT(n)) {
            double r;