Remove http example from llm/main.py

[chiroptical]

Summary

We don't actually need the Flask infrastructure anymore. We only need the document trigger.

Work Detail
Describe in detail the work to be done for this ticket

• Frontend: Add links to the relevant components in Figma
• Backend: Specify what services will be used and how to get credentials if needed
• Any required skills or knowledge

Current State
Describe any previous related or similar work in this area

• Add the file paths to the involved files or folders
• Link to related tickets & describe their relationship
• Describe any dependencies or blockers

Resources
Provide resources relevant to this ticket

• File paths to components, hooks, etc. that might be used directly or as a guide
• File paths to files that might be touched or referenced
• Links to the website/docs for services being used (e.g. firebase)

Add labels
front end | backend | full stack
good first issue | required skill or knowledge

Checklist

1. Check to ensure this is not a duplicate ticket
2. Add the appropriate labels
3. Add the appropriate Zenhub Epic
4. If this a front-end dev ticket, ensure the relevant figma is linked

[chiroptical]

@Mephistic I'm curious if you have opinions on if we want a function which can replace the HTTP part