Remove unused fields

src/main/java/games/strategy/engine/data/CompositeRouteFinder.java

@@ -8,14 +8,11 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.function.Predicate;
-import java.util.logging.Logger;
 
 import games.strategy.triplea.delegate.Matches;
 import games.strategy.util.CollectionUtils;
 
 public class CompositeRouteFinder {
-  private static final Logger logger = Logger.getLogger(CompositeRouteFinder.class.getName());
-
   private final GameMap map;
   private final Map<Predicate<Territory>, Integer> matches;
 

src/main/java/games/strategy/engine/delegate/DelegateExecutionManager.java

@@ -6,7 +6,6 @@
 import java.lang.reflect.Proxy;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.logging.Logger;
 
 import games.strategy.engine.GameOverException;
 import games.strategy.engine.message.MessengerException;
@@ -28,7 +27,6 @@
  * </p>
  */
 public class DelegateExecutionManager {
-  private final Logger logger = Logger.getLogger(DelegateExecutionManager.class.getName());
   /*
    * Delegate execution can be thought of as a read/write lock.
    * Many delegates can be executing at one time (to execute you acquire the read lock), but

src/main/java/games/strategy/engine/framework/startup/launcher/LocalLauncher.java

@@ -3,7 +3,6 @@
 import java.awt.Component;
 import java.util.HashMap;
 import java.util.Set;
-import java.util.logging.Logger;
 
 import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;
@@ -20,7 +19,6 @@
 import games.strategy.util.ThreadUtil;
 
 public class LocalLauncher extends AbstractLauncher {
-  private static final Logger logger = Logger.getLogger(ILauncher.class.getName());
   private final IRandomSource randomSource;
   private final PlayerListing playerListing;
 

src/main/java/games/strategy/engine/framework/startup/launcher/ServerLauncher.java

@@ -11,7 +11,6 @@
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
-import java.util.logging.Logger;
 
 import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;
@@ -44,7 +43,6 @@
 import games.strategy.util.ThreadUtil;
 
 public class ServerLauncher extends AbstractLauncher {
-  private static final Logger logger = Logger.getLogger(ServerLauncher.class.getName());
   private final int clientCount;
   private final IRemoteMessenger remoteMessenger;
   private final IChannelMessenger channelMessenger;

src/main/java/games/strategy/engine/lobby/server/db/BannedMacController.java

@@ -6,7 +6,6 @@
 import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.time.Instant;
-import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 
@@ -16,8 +15,6 @@
  * Utility class to create/read/delete banned macs (there is no update).
  */
 public class BannedMacController extends TimedController implements BannedMacDao {
-  private static final Logger logger = Logger.getLogger(BannedMacController.class.getName());
-
   @Override
   public void addBannedMac(final String mac, final @Nullable Instant banTill) {
     if (banTill == null || banTill.isAfter(now())) {

src/main/java/games/strategy/engine/lobby/server/db/BannedUsernameController.java

@@ -6,16 +6,13 @@
 import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.time.Instant;
-import java.util.logging.Logger;
 
 import games.strategy.util.Tuple;
 
 /**
  * Utility class to create/read/delete banned usernames (there is no update).
  */
 public class BannedUsernameController extends TimedController implements BannedUsernameDao {
-  private static final Logger logger = Logger.getLogger(BannedUsernameController.class.getName());
-
   @Override
   public void addBannedUsername(final String username, final Instant banTill) {
     if (banTill == null || banTill.isAfter(now())) {

src/main/java/games/strategy/engine/lobby/server/db/MutedMacController.java

@@ -7,14 +7,11 @@
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.util.Optional;
-import java.util.logging.Logger;
 
 /**
  * Utilitiy class to create/read/delete muted macs (there is no update).
  */
 public class MutedMacController extends TimedController {
-  private static final Logger logger = Logger.getLogger(MutedMacController.class.getName());
-
   /**
    * Mute the given mac. If muteTill is not null, the mute will expire when muteTill is reached.
    *

src/main/java/games/strategy/engine/lobby/server/db/MutedUsernameController.java

@@ -7,14 +7,11 @@
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.util.Optional;
-import java.util.logging.Logger;
 
 /**
  * Utilitiy class to create/read/delete muted usernames (there is no update).
  */
 public class MutedUsernameController extends TimedController {
-  private static final Logger logger = Logger.getLogger(MutedUsernameController.class.getName());
-
   /**
    * Mute the given username. If muteTill is not null, the mute will expire when muteTill is reached.
    *

src/main/java/games/strategy/triplea/image/ImageRef.java

@@ -4,8 +4,6 @@
 import java.lang.ref.Reference;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.SoftReference;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.logging.Logger;
 
 import games.strategy.debug.ClientLogger;
 
@@ -16,8 +14,6 @@
  */
 class ImageRef {
   private static final ReferenceQueue<Image> referenceQueue = new ReferenceQueue<>();
-  private static final Logger logger = Logger.getLogger(ImageRef.class.getName());
-  private static final AtomicInteger imageCount = new AtomicInteger();
 
   static {
     final Thread t = new Thread(() -> {

src/main/java/games/strategy/triplea/ui/AbstractMovePanel.java

@@ -5,7 +5,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.logging.Logger;
 
 import javax.swing.Box;
 import javax.swing.BoxLayout;
@@ -28,7 +27,6 @@
 
 public abstract class AbstractMovePanel extends ActionPanel {
   private static final long serialVersionUID = -4153574987414031433L;
-  private static final Logger logger = Logger.getLogger(MovePanel.class.getName());
   private static final int entryPadding = 15;
   private final TripleAFrame frame;
   private boolean listening = false;