Remove all Ollama remnants and complete migration to llama.cpp

- Remove Ollama-specific files (Dockerfile.ollama, entrypoint.sh)
- Replace all query_ollama imports and calls with query_llama
- Remove langchain-ollama dependency from requirements.txt
- Update all utility files (autonomous, kindness, image_generation, etc.)
- Update README.md documentation references
- Maintain backward compatibility alias in llm.py

bot/requirements.txt

@@ -3,7 +3,6 @@ aiohttp
 requests
 langchain-core
 langchain-text-splitters
-langchain-ollama
 faiss-cpu
 langchain-community
 aiofiles