chore: Remove unnecessary assertion in create_modification_report fun…

…ction (#3329)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

backend/worker/quivr_worker/assistants/cdp_use_case_3.py

@@ -141,7 +141,6 @@ async def create_modification_report(
     logger.debug(after_text.page_content)
     text_after_sections = before_text.page_content.split("\n# ")
     text_before_sections = after_text.page_content.split("\n# ")
-    assert len(text_after_sections) == len(text_before_sections)
 
     if use_llm_comparator:
         logger.debug("using llm comparator")