Removed unnecessary import

src/de/tud/kom/p2psim/impl/topology/movement/vehicular/sumo/simulation/controller/traci/TraciSimulationController.java

@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
@@ -44,7 +45,6 @@ import de.tudresden.ws.container.SumoLink;
 import de.tudresden.ws.container.SumoLinkList;
 import de.tudresden.ws.container.SumoPosition2D;
 import de.tudresden.ws.container.SumoStringList;
-import edu.emory.mathcs.backport.java.util.Collections;
 import it.polito.appeal.traci.SumoTraciConnection;
 
 /**