Fix override

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/event/PersistentDamage.java

@@ -20,6 +20,8 @@
 package de.steamwar.fightsystem.event;
 
 import com.sk89q.worldedit.WorldEditException;
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.states.FightState;
@@ -33,6 +35,9 @@ import java.util.logging.Level;
 public class PersistentDamage {
 
     public PersistentDamage() {
+        if(!ArenaMode.SeriousFight.contains(Config.mode))
+            return;
+
         new OneShotStateDependent(Winconditions.PERSISTENT_DAMAGE, FightState.Spectate, () -> Fight.teams().forEach(team -> {
             try{
                 WorldeditWrapper.impl.saveSchem(SchematicNode.getSchematicNode(team.getSchematic()), team.getExtendRegion(), team.getSchemRegion().getMinY());