chore: remove unneeded prover package

[benceharomi]

Summary by CodeRabbit

• Chores
  • Removed prover service infrastructure, including Docker build configuration, setup scripts, and supporting Python modules.
  • Updated documentation to remove references to the prover service.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The entire prover package and its supporting infrastructure have been removed from the repository. This includes configuration ignore patterns, documentation references, Docker build setup, shell scripts, Python modules providing Flask and Modal-based APIs, and runtime dependencies. All prover-related files are deleted while other codebase sections remain unchanged.

Changes

Cohort / File(s)	Summary
Configuration and Ignore Patterns .dockerignore, .gitignore	Removed prover-related ignore patterns (4 lines in .gitignore, 3 lines in .dockerignore); prover paths no longer excluded from version control or Docker context.
Documentation README.md, docs/getting-started.md	Removed prover package documentation block from README; updated Relayer API section to remove reference to prover.
Prover Package - Infrastructure packages/prover/Dockerfile, packages/prover/local_setup.sh	Removed Docker build configuration (87 lines) and local environment setup script (36 lines) that handled CUDA-based image, dependencies, artifact downloads, and build orchestration.
Prover Package - Scripts packages/prover/circom_proofgen.sh	Removed witness generation and proof generation shell script (56 lines) that executed C\++ witness generator and conditional Groth16 or RAPIDSNARK prover logic.
Prover Package - Python Modules packages/prover/core.py, packages/prover/local.py, packages/prover/modal_server.py	Removed core proof generation functions (gen_email_auth_proof, store_input, load_proof, etc.); removed Flask-based local HTTP API (36 lines); removed Modal-deployed WSGI application with Google Cloud logging (66 lines).
Prover Package - Dependencies packages/prover/requirements.txt	Removed Python dependencies: flask, waitress, gdown, jsonify, requests, modal, google, google-cloud-logging (8 lines).

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

Poem

🐰 The prover's gone, a clean sweep today,
No more CUDA, no Flask on display,
Modal servers and circuits bid adieu,
The repository's lighter, refreshed and anew! 🚀

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	No pull request description was provided, making it impossible to verify compliance with the repository's description template requiring summary, issue reference, type of change, testing details, and checklist items.	Add a detailed description following the template: include a summary of why the prover package was removed, reference any related issue, specify the change type, document testing performed, and complete the provided checklist.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: removal of the prover package, which aligns with the substantial deletions across multiple prover-related files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

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