Fix things and optimize imports

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/autostart/AutostartListener.java

@@ -24,8 +24,6 @@ import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.RegionUtils;
-import de.steamwar.bausystem.region.utils.RegionExtensionType;
-import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.utils.ItemUtils;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.linkage.Linked;
@@ -44,7 +42,9 @@ import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.ItemStack;
 
 import java.io.File;
-import java.util.*;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
 
 @Linked
 public class AutostartListener implements Listener {
@@ -140,7 +140,7 @@ public class AutostartListener implements Listener {
     }
 
     private int getPreFightDurationInSeconds(Region region) {
-        File file = region.gameModeConfig();
+        File file = region.getGameModeConfig().orElse(null);
         if (file == null) return 30;
         FileConfiguration config = YamlConfiguration.loadConfiguration(file);
         return config.getInt("Times.PreFightDuration", 30);