feat(优化原生AI摘要功能显示情况): 没有数据不加载，默认渲染完整摘要，利于SEO

(cherry picked from commit 1964bc96fdce688129287594103e6555fb42c779)

lib/lang/en-US.js

@@ -90,6 +90,5 @@ export default {
   },
   AI_SUMMARY: {
     NAME: 'AI intelligent summary',
-    GENERATING: 'Generating'
   }
 }