remove unused imports

Author: JasperGeurtz

src/main/java/bwapi/UnitType.java

@@ -1,7 +1,6 @@
 package bwapi;
 
 import java.util.*;
-import java.util.stream.Collectors;
 
 import static bwapi.TechType.*;
 

src/main/java/bwem/ChokePointImpl.java

@@ -21,8 +21,6 @@
 import bwem.typedef.Index;
 import bwem.unit.Neutral;
 import bwapi.Pair;
-import bwapi.Pair;
-import bwapi.Pair;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/bwem/Graph.java

@@ -525,9 +525,9 @@ public void computeChokePointDistanceMatrix() {
         }
         //    	for (auto & line : chokePointDistanceMatrix)
         //    		line.resize (chokePoints.size(), -1);
-        for (int i = 0; i < chokePointDistanceMatrix.size(); ++i) {
+        for (List<Integer> chokePointDistanceMatrix1 : chokePointDistanceMatrix) {
             for (int n = 0; n < chokePoints.size(); ++n) {
-                chokePointDistanceMatrix.get(i).add(-1);
+                chokePointDistanceMatrix1.add(-1);
             }
         }
 
@@ -538,9 +538,9 @@ public void computeChokePointDistanceMatrix() {
         }
         //    	for (auto & line : pathsBetweenChokePoints)
         //    		line.resize (chokePoints.size());
-        for (int i = 0; i < pathsBetweenChokePoints.size(); ++i) {
+        for (List<CPPath> pathsBetweenChokePoint : pathsBetweenChokePoints) {
             for (int n = 0; n < chokePoints.size(); ++n) {
-                pathsBetweenChokePoints.get(i).add(new CPPath());
+                pathsBetweenChokePoint.add(new CPPath());
             }
         }
 

src/main/java/bwem/area/AreaInitializerImpl.java

@@ -26,7 +26,6 @@
 import bwem.unit.*;
 import bwem.util.BwemExt;
 import bwapi.Pair;
-import bwapi.Pair;
 
 import java.util.*;
 

src/main/java/bwem/map/MapImpl.java

@@ -29,7 +29,6 @@
 import bwem.unit.NeutralData;
 import bwem.unit.StaticBuilding;
 import bwem.util.BwemExt;
-import bwapi.Pair;
 
 import java.util.*;
 

src/main/java/bwem/map/MapInitializer.java

@@ -27,7 +27,6 @@
 
 import java.util.Collection;
 import java.util.List;
-import java.util.Set;
 
 public interface MapInitializer {
     // This has to be called before any other function is called.

src/main/java/bwem/map/MapInitializerImpl.java

@@ -20,7 +20,6 @@
 import bwem.typedef.Altitude;
 import bwem.unit.*;
 import bwem.util.*;
-import bwapi.Pair;
 
 import java.util.*;
 

src/main/java/bwem/unit/NeutralDataImpl.java

@@ -17,7 +17,6 @@
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 
 public class NeutralDataImpl implements NeutralData {
     private final List<Mineral> minerals;

src/main/java/bwem/util/BwemExt.java

@@ -18,7 +18,6 @@
 import bwem.CheckMode;
 import bwem.map.MapImpl;
 import bwapi.Pair;
-import bwapi.Pair;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -51,8 +50,7 @@ public static Position center(final TilePosition tilePosition) {
     }
 
     public static Position center(final WalkPosition walkPosition) {
-        final Position ret = walkPosition.toPosition().add(BwemExt.WALK_POSITION_CENTER_IN_PIXELS);
-        return ret;
+        return walkPosition.toPosition().add(BwemExt.WALK_POSITION_CENTER_IN_PIXELS);
     }
 
     public static Position centerOfBuilding(

src/main/java/bwta/BaseLocation.java

@@ -7,7 +7,6 @@
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 import java.util.stream.Collectors;
 
 public class BaseLocation {