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

roles/network_plugin/calico/templates/calico-typha.yml.j2

@@ -48,7 +48,7 @@ spec:
         cluster-autoscaler.kubernetes.io/safe-to-evict: 'true'
     spec:
       nodeSelector:
-        beta.kubernetes.io/os: linux
+        kubernetes.io/os: linux
       hostNetwork: true
       tolerations:
         - key: node-role.kubernetes.io/master

roles/network_plugin/flannel/templates/cni-flannel.yml.j2

@@ -94,11 +94,11 @@ spec:
           requiredDuringSchedulingIgnoredDuringExecution:
             nodeSelectorTerms:
               - matchExpressions:
-                  - key: beta.kubernetes.io/os
+                  - key: kubernetes.io/os
                     operator: In
                     values:
                       - linux
-                  - key: beta.kubernetes.io/arch
+                  - key: kubernetes.io/arch
                     operator: In
                     values:
                       - amd64

roles/network_plugin/multus/templates/multus-daemonset.yml.j2

@@ -21,7 +21,7 @@ spec:
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet
       nodeSelector:
-        beta.kubernetes.io/arch: amd64
+        kubernetes.io/arch: amd64
       tolerations:
       - key: node-role.kubernetes.io/master
         operator: Exists