### Component Helm Chart ### Desired use case or feature Currently we couple the deployment of vllm and inference gateway into one helm chart, we should split them into two charts so that we can reuse the upstream helm charts (which provide support for various providers already): https://github.com/kubernetes-sigs/gateway-api-inference-extension/tree/main/config/charts/inferencepool ### Proposed solution Use the inference gateway upstream helm charts: https://github.com/kubernetes-sigs/gateway-api-inference-extension/tree/main/config/charts/inferencepool ### Alternatives _No response_ ### Additional context or screenshots _No response_