Remove unnecessary comment (#4845)

# Remove unnecessary comment

Remove unnecessary comment accidentally included in #4800

## Before submitting

- no test
- no document

## Who can review?

Community members can review the PR once tests pass. Tag
maintainers/contributors who might be interested:

tests/integration_tests/retrievers/test_weaviate_hybrid_search.py

@@ -104,7 +104,6 @@ class TestWeaviateHybridSearchRetriever:
             attributes=["page"],
         )
         for i, text in enumerate(texts):
-            # hoge
             retriever.add_documents(
                 [Document(page_content=text, metadata=metadatas[i])], uuids=[uuids[i]]
             )