docs: remove allowedRoutes from unsupported resource (#2659) (#361)

(cherry picked from commit 6a282419a935c41f0bc5316a9748191c139523c1)

Co-authored-by: Traky Deng <trakydeng@gmail.com>

Author: github-actions[bot]

docs/en/latest/concepts/gateway-api.md

@@ -79,7 +79,6 @@ The fields below are specified in the Gateway API specification but are either p
 | Fields                                               | Status               | Notes                                                                                          |
 |------------------------------------------------------|----------------------|------------------------------------------------------------------------------------------------|
 | `spec.listeners[].port`               | Not supported*  | The configuration is required but ignored. This is due to limitations in the data plane: it cannot dynamically open new ports. Since the Ingress Controller does not manage the data plane deployment, it cannot automatically update the configuration or restart the data plane to apply port changes.    |
-| `spec.listeners[].allowedRoutes.kinds`               | Partially supported  | Only `HTTPRoute` (group `gateway.networking.k8s.io`) is accepted; other kinds are rejected.    |
 | `spec.listeners[].tls.certificateRefs[].group` | Partially supported | Only `""` is supported; other group values cause validation failure. |
 | `spec.listeners[].tls.certificateRefs[].kind`        | Partially supported  | Only `Secret` is supported.                                                                    |
 | `spec.listeners[].tls.mode`                          | Partially supported  | `Terminate` is implemented; `Passthrough` is effectively unsupported for Gateway listeners.    |