fix review findings again

Signed-off-by: sivchari <[email protected]>

Author: sivchari

docs/book/src/tasks/bootstrap/kubeadm-bootstrap/index.md

@@ -40,7 +40,6 @@ kind: KubeadmConfig
 apiVersion: bootstrap.cluster.x-k8s.io/v1beta2
 metadata:
   name: my-control-plane1-config
-spec:
 ---
 kind: DockerMachine
 apiVersion: infrastructure.cluster.x-k8s.io/v1beta2

docs/book/src/tasks/experimental-features/runtime-sdk/implement-lifecycle-hooks.md

@@ -89,7 +89,7 @@ apiVersion: hooks.runtime.cluster.x-k8s.io/v1alpha1
 kind: AfterControlPlaneInitializedRequest
 settings: <Runtime Extension settings>
 cluster:
-  apiVersion: cluster.x-k8s.io/v1beta2
+  apiVersion: cluster.x-k8s.io/v1beta1
   kind: Cluster
   metadata:
    name: test-cluster
@@ -130,7 +130,7 @@ apiVersion: hooks.runtime.cluster.x-k8s.io/v1alpha1
 kind: BeforeClusterUpgradeRequest
 settings: <Runtime Extension settings>
 cluster:
-  apiVersion: cluster.x-k8s.io/v1beta2
+  apiVersion: cluster.x-k8s.io/v1beta1
   kind: Cluster
   metadata:
    name: test-cluster
@@ -179,7 +179,7 @@ apiVersion: hooks.runtime.cluster.x-k8s.io/v1alpha1
 kind: AfterControlPlaneUpgradeRequest
 settings: <Runtime Extension settings>
 cluster:
-  apiVersion: cluster.x-k8s.io/v1beta2
+  apiVersion: cluster.x-k8s.io/v1beta1
   kind: Cluster
   metadata:
    name: test-cluster
@@ -216,7 +216,7 @@ apiVersion: hooks.runtime.cluster.x-k8s.io/v1alpha1
 kind: AfterClusterUpgradeRequest
 settings: <Runtime Extension settings>
 cluster:
-  apiVersion: cluster.x-k8s.io/v1beta2
+  apiVersion: cluster.x-k8s.io/v1beta1
   kind: Cluster
   metadata:
    name: test-cluster
@@ -252,7 +252,7 @@ apiVersion: hooks.runtime.cluster.x-k8s.io/v1alpha1
 kind: BeforeClusterDeleteRequest
 settings: <Runtime Extension settings>
 cluster:
-  apiVersion: cluster.x-k8s.io/v1beta2
+  apiVersion: cluster.x-k8s.io/v1beta1
   kind: Cluster
   metadata:
    name: test-cluster