Update app.py

app.py

@@ -28,11 +28,7 @@ ADMIN_KEY    = os.getenv("ADMIN_KEY",    "change_this_secret")
 # Model name goes in the URL path AND in the payload body
 _HF_MODELS = [
     ("Qwen/Qwen2.5-7B-Instruct",          "https://router.huggingface.co/hf-inference/models/Qwen/Qwen2.5-7B-Instruct/v1/chat/completions"),
-    ("microsoft/Phi-3.5-mini-instruct",    "https://router.huggingface.co/hf-inference/models/microsoft/Phi-3.5-mini-instruct/v1/chat/completions"),
     ("mistralai/Mistral-7B-Instruct-v0.3", "https://router.huggingface.co/hf-inference/models/mistralai/Mistral-7B-Instruct-v0.3/v1/chat/completions"),
-    # featherless-ai: free-tier OpenAI-compatible provider via HF router
-    ("mistralai/Mistral-7B-Instruct-v0.3", "https://router.huggingface.co/featherless-ai/v1/chat/completions"),
-    ("Qwen/Qwen2.5-7B-Instruct",           "https://router.huggingface.co/featherless-ai/v1/chat/completions"),
 ]
 
 # Mutable toggle — flip via POST /api/admin/gradio-toggle