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/utils/sentiment_analysis.py

@@ -1,8 +1,8 @@
-from utils.llm import query_ollama
+from utils.llm import query_llama
 
 async def analyze_sentiment(messages: list) -> tuple[str, float]:
     """
-    Analyze the sentiment of a conversation using Ollama
+    Analyze the sentiment of a conversation using llama.cpp
     Returns a tuple of (sentiment description, positivity score from 0-1)
     """
     # Combine the last few messages for context (up to 5)
@@ -29,7 +29,7 @@ Score: 0.85
 Response:"""
     
     try:
-        response = await query_ollama(prompt)
+        response = await query_llama(prompt)
         if not response or 'Score:' not in response:
             return "Could not analyze sentiment", 0.5