Update src/app.py

removed Gemma 9b model due to GGUF compatibility issues

src/app.py

@@ -290,9 +290,6 @@ with st.sidebar:
     # Add Premium Options if Admin or Key provided
     if is_admin or st.session_state.get("user_openai_key"):
         opts.append("GPT-4o (Omni)")
-
-    if is_admin: # Only admins should see this initially to save RAM
-        opts.append("Custom Gemma 2 9B (Fine-Tuned)")
     
     # Add Gemini if Key exists (System wide)
     if GOOGLE_KEY: