Fix TNTListener not igniting other tnt

BauSystem_Main/src/de/steamwar/bausystem/features/region/TNTListener.java

@@ -8,7 +8,7 @@ import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.flags.flagvalues.TNTMode;
 import de.steamwar.bausystem.region.utils.RegionExtensionType;
 import de.steamwar.bausystem.region.utils.RegionType;
-import org.bukkit.block.data.type.TNT;
+import org.bukkit.Material;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityExplodeEvent;
@@ -19,6 +19,9 @@ public class TNTListener implements Listener {
     @EventHandler
     public void onExplode(EntityExplodeEvent event) {
         event.blockList().removeIf(block -> {
+            if (block.getType() == Material.TNT) {
+                return false;
+            }
             Region region = Region.getRegion(block.getLocation());
             TNTMode value = region.getPlain(Flag.TNT);
             if (value == TNTMode.ALLOW) {