Do not validate etcd version for aggregated server conformance test

Signed-off-by: Benjamin Wang <benjamin.ahrtr@gmail.com>

build/dependencies.yaml

@@ -74,10 +74,6 @@ dependencies:
       match: DefaultEtcdVersion =
     - path: hack/lib/etcd.sh
       match: ETCD_VERSION=
-    - path: staging/src/k8s.io/sample-apiserver/artifacts/example/deployment.yaml
-      match: registry.k8s.io/etcd
-    - path: test/utils/image/manifest.go
-      match: configs\[Etcd\] = Config{list\.GcEtcdRegistry, "etcd", "\d+\.\d+.\d+(-(alpha|beta|rc).\d+)?(-\d+)?"}
 
   - name: "etcd-image"
     version: 3.6.4