Cleanup deprecated labels beta.kubernetes.io/arch and beta.kubernetes.io/os (#5964)

roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2

@@ -26,7 +26,7 @@ spec:
     spec:
       priorityClassName: system-cluster-critical
       nodeSelector:
-        beta.kubernetes.io/os: linux
+        kubernetes.io/os: linux
       serviceAccountName: coredns
       tolerations:
         - key: node-role.kubernetes.io/master

roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2

@@ -38,7 +38,7 @@ spec:
         supplementalGroups: [ 65534 ]
         fsGroup: 65534
       nodeSelector:
-        beta.kubernetes.io/os: linux
+        kubernetes.io/os: linux
       tolerations:
         - effect: NoSchedule
           operator: Equal

roles/kubernetes-apps/ansible/templates/netchecker-agent-ds.yml.j2

@@ -20,7 +20,7 @@ spec:
         - effect: NoSchedule
           operator: Exists
       nodeSelector:
-        beta.kubernetes.io/os: linux
+        kubernetes.io/os: linux
       containers:
         - name: netchecker-agent
           image: "{{ netcheck_agent_image_repo }}:{{ netcheck_agent_image_tag }}"

roles/kubernetes-apps/ansible/templates/netchecker-agent-hostnet-ds.yml.j2

@@ -18,7 +18,7 @@ spec:
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet
       nodeSelector:
-        beta.kubernetes.io/os: linux
+        kubernetes.io/os: linux
       priorityClassName: {% if netcheck_namespace == 'kube-system' %}system-node-critical{% else %}k8s-cluster-critical{% endif %}{{''}}
       tolerations:
         - effect: NoSchedule