remove unneeded array

examples/matrix-topology/matrix-topology.cc

@@ -155,8 +155,6 @@ int main (int argc, char *argv[])
 
   uint32_t linkCount = 0;
 
-  Ipv4InterfaceContainer n_ic[n_nodes][n_nodes];   // Create an array of interface containers for links
-
   for (size_t i = 0; i < Adj_Matrix.size (); i++)
     {
       for (size_t j = 0; j < Adj_Matrix[i].size (); j++)
@@ -166,7 +164,7 @@ int main (int argc, char *argv[])
             {
               NodeContainer n_links = NodeContainer (nodes.Get (i), nodes.Get (j));
               NetDeviceContainer n_devs = p2p.Install (n_links);
-              n_ic[i][j] = ipv4_n.Assign (n_devs);
+              ipv4_n.Assign (n_devs);
               ipv4_n.NewNetwork ();
               linkCount++;
               NS_LOG_INFO ("matrix element [" << i << "][" << j << "] is 1");