Fix: no doc hits after meta data filter. (#9435)

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

rag/prompts/citation_prompt.md

@@ -105,4 +105,5 @@ REMEMBER:
 - Cite FACTS, not opinions or transitions
 - Each citation supports the ENTIRE sentence
 - When in doubt, ask: "Would a fact-checker need to verify this?"
-- Place citations at sentence end, before punctuation
+- Place citations at sentence end, before punctuation
+- Format likes this is FORBIDDEN: [ID:0, ID:5, ID:...]. It MUST be seperated like, [ID:0][ID:5]...

rag/utils/s3_conn.py

@@ -191,7 +191,6 @@ class RAGFlowS3:
                 time.sleep(1)
         return
 
-    @use_prefix_path
     @use_default_bucket
     def rm_bucket(self, bucket, *args, **kwargs):
         for conn in self.conn: