refactor(annotation): 移除编辑器标签配置装饰逻辑

- 删除了 _decorate_label_config_for_editor 方法调用
- 简化了标签配置获取流程
- 移除了不必要的条件检查逻辑

runtime/datamate-python/app/module/annotation/service/editor.py

@@ -166,8 +166,6 @@ class AnnotationEditorService:
             label_config = project.configuration.get("label_config")
         if not label_config:
             label_config = await self._get_label_config(project.template_id)
-        if label_config:
-            label_config = self._decorate_label_config_for_editor(label_config)
         return label_config
 
     @staticmethod