remove unnecessary using directive and #includes

This file does not reference any symbols from these.

diff --git a/lib/mingle/nearest_neighbor_graph_ann.cpp b/lib/mingle/nearest_neighbor_graph_ann.cpp
index 051e16db86fc3d3a96c9a2256ce23edd50c96ff7..53665e39f0530b86fc00a511948365813cd829e7 100644 (file)
--- a/lib/mingle/nearest_neighbor_graph_ann.cpp
+++ b/lib/mingle/nearest_neighbor_graph_ann.cpp
@@ -15,13 +15,8 @@
 //             File:                   get_nearest_neighb_graph.cpp
 //----------------------------------------------------------------------
 
-#include <cstdlib>                                             // C standard library
-#include <cstdio>                                              // C I/O (for sscanf)
-#include <cstring>                                             // string manipulation
-#include <fstream>                                             // file I/O
 #include <ANN/ANN.h>                                   // ANN declarations
 
-using namespace std;                                   // make std:: accessible
 int                             dim                             = 4;                    // dimension