Fix Javadoc

src/main/java/de/bluecolored/bluemap/api/BlueMapWorld.java

@@ -42,10 +42,13 @@ public interface BlueMapWorld {
     String getId();
 
     /**
-     * Getter for the {@link Path} of this world's save-files (folder). This matches the folder configured in bluemap's config for this map ( <code>world:</code> ).
+     * Getter for the {@link Path} of this world's save-files.<br>
+     * (To be exact: the parent-folder of the regions-folder used for rendering)
      * @return the save-folder of this world.
+     * @deprecated Getting the save-folder of a world is no longer supported. As it is not guaranteed that every world has a save-folder.
      */
     @DebugDump
+    @Deprecated
     Path getSaveFolder();
 
     /**