remove prototype for unimplemented function

This function was removed in 32ad37113a52a6818b19c6ab0554bed224da2a1d, but its
prototype was left behind.

diff --git a/lib/sparse/DotIO.h b/lib/sparse/DotIO.h
index 2448b453c0bc165537572bbf0ae0309be3b6f3f5..753e36cb9cc8eef949d821d388f312fbcb41df88 100644 (file)
--- a/lib/sparse/DotIO.h
+++ b/lib/sparse/DotIO.h
@@ -23,8 +23,6 @@ extern int getDotNodeID (Agnode_t* n);
 
 extern void attach_edge_colors(Agraph_t* g, int dim, real *colors);
 
-extern void attach_embedding(Agraph_t *g, int dim, double sc, real *x);
-
 extern SparseMatrix SparseMatrix_import_dot(Agraph_t* g, int dim, real **label_sizes, real **x, int *n_edge_label_nodes,
                                            int **edge_label_nodes, int format, SparseMatrix *D);
 void dump_coordinates(char *name, int n, int dim, real *x);