Fix BauServer Performance

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionListener.java

@@ -183,11 +183,6 @@ public class RegionListener implements Listener {
 
 
     private static void tagChangedRegion(final Location location) {
-        new BukkitRunnable() {
-            @Override
-            public void run() {
-                Region.getRegion(location).getFlags().set(Flag.CHANGED, ChangedMode.HAS_CHANGE);
-            }
-        }.runTaskAsynchronously(BauSystem.getInstance());
+        Region.getRegion(location).getFlags().set(Flag.CHANGED, ChangedMode.HAS_CHANGE);
     }
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/FlagStorage.java

@@ -29,6 +29,9 @@ public interface FlagStorage {
     @NonNull
     <T extends Enum<T> & Flag.Value<T>> RegionFlagPolicy has(@NonNull Flag<T> flag);
 
+    /**
+     * Returns true if the flag was changed and did not already contain the provided value
+     */
     <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value);
 
     @NonNull