feat: documented new trigger filters are GA

Signed-off-by: Calum Murray <[email protected]>

docs/eventing/features/README.md

@@ -72,7 +72,6 @@ Knative Eventing:
 | [DeliverySpec.Timeout field](delivery-timeout.md)          | `delivery-timeout`     | When using the `delivery` spec to configure event delivery parameters, you can use  the`timeout` field to specify the timeout for each sent HTTP request.                                                          | Beta, enabled by default   |
 | [KReference.Group field](kreference-group.md)              | `kreference-group`     | Specify the API `group` of `KReference` resources without the API version.                                                                                                                                         | Alpha, disabled by default |
 | [Knative reference mapping](kreference-mapping.md)         | `kreference-mapping`   | Provide mappings from a [Knative reference](https://github.com/knative/specs/blob/main/specs/eventing/overview.md#destination) to a templated URI.                                                                 | Alpha, disabled by default |
-| [New trigger filters](new-trigger-filters.md)              | `new-trigger-filters`  | Enables a new Trigger `filters` field that supports a set of powerful filter expressions.                                                                                                                          | Beta, enabled by default   |
 | [Transport encryption](transport-encryption.md)            | `transport-encryption` | Enables components to encrypt traffic using TLS by exposing HTTPS URL.                                                                                                                                             | Beta, disabled by default  |
 | [Sender Identity](sender-identity.md)                      | `authentication-oidc`  | Enables Eventing sources to send authenticated requests and addressables to require authenticated requests.                                                                                                        | Alpha, disabled by default |
 | [Eventing with Istio](istio-integration.md)                | `istio`                | Enables Eventing components to communicate with workloads in an Istio mesh.                                                                                                                                        | Beta, disabled by default  |