Remove groq from provider catalog

config/provider_catalog.py

@@ -43,15 +43,6 @@ PROVIDER_CATALOG: dict[str, ProviderDescriptor] = {
         proxy_attr="nvidia_nim_proxy",
         capabilities=("chat", "streaming", "tools", "thinking", "rate_limit"),
     ),
-    "groq": ProviderDescriptor(
-        provider_id="groq",
-        transport_type="openai_chat",
-        credential_env="GROQ_API_KEY",
-        credential_url="https://console.groq.com/keys",
-        credential_attr="groq_api_key",
-        default_base_url="https://api.groq.com/openai/v1",
-        capabilities=("chat", "streaming", "tools", "rate_limit"),
-    ),
     "zen": ProviderDescriptor(
         provider_id="zen",
         transport_type="openai_chat",