REFACTOR(api): remove Groq API dependency

- Remove Groq API integration
- Use only Anthropic Claude API

deploy/k8s/overlays/prod/externalsecret.yaml

@@ -15,10 +15,6 @@ spec:
       remoteRef:
         key: mas/api-keys
         property: ANTHROPIC_API_KEY
-    - secretKey: groq-api-key
-      remoteRef:
-        key: mas/api-keys
-        property: GROQ_API_KEY
 ---
 apiVersion: external-secrets.io/v1
 kind: ExternalSecret