book: drop outdated note about removed e2e test func

Signed-off-by: Stefan Büringer [email protected]

Author: sbueringer

docs/book/src/developer/e2e.md

@@ -77,16 +77,6 @@ This method:
 - Waits for the providers controllers to be running.
 - Creates log watchers for all the providers
 
-<aside class="note">
-
-<h1>Deprecated InitManagementCluster method</h1>
-
-The [Cluster API test framework] also includes a [deprecated InitManagementCluster method] implementation,
-that was used before the introduction of clusterctl. This might be removed in future releases
-of the test framework.
-
-</aside>
-
 ## Writing test specs
 
 A typical test spec is a sequence of:
@@ -202,7 +192,6 @@ test specs for the most common Cluster API use cases.
 [Cluster API quick start]:  ../user/quick-start.md
 [Cluster API test framework]: https://pkg.go.dev/sigs.k8s.io/cluster-api/test/framework?tab=doc
 [deprecated E2E config file]: https://pkg.go.dev/sigs.k8s.io/cluster-api/test/framework?tab=doc#Config
-[deprecated InitManagementCluster method]: https://pkg.go.dev/sigs.k8s.io/cluster-api/test/framework?tab=doc#InitManagementCluster
 [Apply method]: https://pkg.go.dev/sigs.k8s.io/cluster-api/test/framework?tab=doc#Applier
 [CAPA E2E tests]: https://github.com/kubernetes-sigs/cluster-api-provider-aws/blob/main/scripts/ci-e2e.sh
 [CAPG E2E tests]: https://github.com/kubernetes-sigs/cluster-api-provider-gcp/blob/main/scripts/ci-e2e.sh