Remove unused import

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -49,7 +49,6 @@ import com.gmail.nossr50.util.ItemChecks;
 import com.gmail.nossr50.util.Misc;
 import com.gmail.nossr50.util.Motd;
 import com.gmail.nossr50.util.Permissions;
-import com.gmail.nossr50.util.StringUtils;
 import com.gmail.nossr50.util.Users;
 
 public class PlayerListener implements Listener {