Remove outdated CriticalAddonsOnly toleration and critical-pod annotation (#6202)

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

@@ -31,8 +31,6 @@ spec:
       tolerations:
         - key: node-role.kubernetes.io/master
           effect: NoSchedule
-        - key: "CriticalAddonsOnly"
-          operator: "Exists"
 {% if dns_extra_tolerations | default(None) %}
         {{ dns_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
 {% endif %}

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

@@ -30,7 +30,6 @@ spec:
       labels:
         k8s-app: dns-autoscaler{{ coredns_ordinal_suffix }}
       annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ""
         seccomp.security.alpha.kubernetes.io/pod: 'runtime/default'
     spec:
       priorityClassName: system-cluster-critical
@@ -43,8 +42,6 @@ spec:
         - effect: NoSchedule
           operator: Equal
           key: node-role.kubernetes.io/master
-        - key: "CriticalAddonsOnly"
-          operator: "Exists"
       affinity:
         podAntiAffinity:
           requiredDuringSchedulingIgnoredDuringExecution:

roles/kubernetes-apps/ansible/templates/nodelocaldns-daemonset.yml.j2

@@ -27,8 +27,6 @@ spec:
         operator: "Exists"
       - effect: NoExecute
         operator: "Exists"
-      - key: "CriticalAddonsOnly"
-        operator: "Exists"
       containers:
       - name: node-cache
         image: "{{ nodelocaldns_image_repo }}:{{ nodelocaldns_image_tag }}"